CN114698978A - Part selling rack and using method thereof - Google Patents

Abstract

The invention belongs to the technical field of sales racks, and particularly relates to a part sales rack and a using method thereof, wherein the part sales rack comprises a display rack and a motor, a supplement rack is fixedly arranged at the rear side of the display rack, a limiting groove is formed in the display rack, a connecting pipe is fixedly arranged on the surface of the supplement rack, a rear plate is arranged between the connecting pipe and the display rack, a through hole is formed in the rear plate, the motor is fixed on a rear bolt of the display rack, a threaded rod is fixedly connected to an output shaft of the motor, a lap plate is connected to the outer side of the threaded rod in a threaded manner, a connecting shaft is arranged at the rear side of the lap plate in an attaching manner, and a connecting plate is rotatably arranged at the rear side of the connecting shaft; through the balancing weight in the device, the device can automatically press down the connecting frame after putting down the baffle, so that the internal connecting plate automatically blocks parts, the parts are prevented from falling, and the rear plate can be pulled through the traction steel rope when materials are required to be supplemented, so that the device can intermittently supplement the parts.

Description

Part selling rack and using method thereof

Technical Field

The invention relates to the technical field of sales shelves, in particular to a part sales shelf and a using method thereof.

Background

The sales rack is a supporting bracket for displaying and selling commodities, and a part sales rack is required to be used when metal parts are sold, and the existing part sales rack has some defects when in use, for example, the hardware sales rack in the publication number CN201811323953.6 which is convenient to use has the advantages that the positions of the first hook and the second hook can be conveniently adjusted by arranging a slide rod, a first hook, a slide groove, a third fixer, a limiting rod, a groove, a bolt, a hook device, the slide groove, a slide block, a second hook, a circular groove and a ball, and the sizes of the hardware parts are different, so that the positions of the first hook and the second hook can be adjusted according to the sizes of the parts, and the hardware parts are convenient to use by people; above-mentioned selling rack is when using, though can adjust the couple position, when the in-service use, not all parts need all use the couple to sell, and the practicality is not high, and some sales racks that have now in addition are provided with the apron usually for preventing dust, when follow-up supplementary part, need hold up the apron and supply, and is very inconvenient.

Disclosure of Invention

The present invention has been made in view of the problems occurring in the conventional sales shelves.

To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions: a parts sales rack comprises a display rack, a supplement rack is fixedly arranged at the rear side of the display rack, the inside of the display rack is provided with a limit groove, the surface of the supplement rack is fixedly provided with a connecting pipe, a rear plate is arranged between the connecting pipe and the showing stand, a through hole is arranged in the rear plate, a motor is fixed on a bolt at the rear side of the showing stand, a threaded rod is fixedly connected to an output shaft of the motor, a lap plate is connected to the outer side of the threaded rod through threads, the rear side of the lap joint plate is provided with a connecting shaft in an attaching way, the rear side of the connecting shaft is rotatably provided with a connecting plate, a rotating shaft is rotatably arranged below the connecting plate, a limiting plate is fixedly connected at the front end of the rotating shaft, the front end of the limiting plate is fixedly provided with a baffle, the inside of the display rack is fixedly provided with an inner frame, and a movable groove used for the limiting plate to move is formed in the inner frame.

As a preferable aspect of the parts sales stand according to the present invention, wherein: the novel display rack is characterized in that an opening is formed in the display rack, the opening is communicated with the inside of the supplement rack through a through hole and a connecting pipe in the rear plate, a balancing weight is fixedly connected to the right side of the baffle, a traction steel rope is bolted to the left side of the baffle, the tail end of the traction steel rope is connected with the rear plate, a top block is fixedly mounted at the top of the display rack, and the rear plate, the display rack and the connecting pipe form a lifting structure through the traction steel rope and the baffle.

As a preferable aspect of the parts sales stand according to the present invention, wherein: the side connection plate is fixedly connected to the left side and the right side of the front end of the showing stand, a connecting rod is rotatably mounted inside the side connection plate, and the connecting frame is fixedly connected to the front end of the connecting rod.

As a preferable aspect of the parts sales stand according to the present invention, wherein: the through holes are distributed on the rear plate at equal intervals, and the through holes and the connecting pipes are inclined.

As a preferable aspect of the parts sales stand according to the present invention, wherein: the lap joint plate passes through to constitute sliding construction between spacing groove and the show shelf, the lap joint plate passes through to constitute first extending structure between threaded rod and the show shelf, and the lap joint plate runs through in the inside of connecting axle, the lap joint plate passes through to constitute second extending structure between connecting axle and the connecting plate.

As a preferable aspect of the parts sales stand according to the present invention, wherein: the limiting plate forms a rotating structure through the rotating shaft and the connecting plate, the limiting plate, the baffle and the balancing weight are of an integrated structure, a gap exists between the limiting plate and the movable groove, and the connecting plate and the adjacent connecting plate are connected through the lap plate.

As a preferable aspect of the parts sales stand according to the present invention, wherein: the left side fixedly connected with shell of kicking block, the bull stick is installed in the inside rotation of shell, the traction steel cable winding sets up on the surface of bull stick, the outside cover of bull stick is equipped with the vortex spring, the head and the tail both ends of vortex spring link to each other with shell and bull stick respectively.

As a preferable aspect of the parts sales stand according to the present invention, wherein: the one-to-one correspondence between link and the balancing weight constitutes revolution mechanic between link passes through balancing weight and the side joint board, and the show shelf internal fixation of link rear side is provided with the stopper, the outside laminating of stopper is provided with interior fishplate bar, interior fishplate bar passes through to constitute extending structure between stopper and link and the show shelf.

As a preferable aspect of the parts sales rack according to the present invention, wherein: the balancing weight is symmetrically distributed on the front side and the rear side of the baffle, and the balancing weight and the baffle form a sliding structure with the inner frame through the limiting plate.

One of the purposes of the invention is to provide a using method of the parts selling rack, which mainly comprises the following steps:

s1: when the part materials are supplemented, firstly, the threaded rod is driven to rotate by the motor at the rear side of the showing stand, the lap plate can be driven to move left and right straightly under the limiting effect of the limiting groove when the threaded rod rotates, the connecting plate in the lap plate driving device can also be driven to move left and right by the connecting shaft in the moving process, and the connecting plate is connected with the limiting plate through the rotating shaft, so that the device can drive the limiting plate to move in the movable groove in the inner frame through the connecting plate when in use, and the limiting plate at each position can be driven to move left and right simultaneously by the rotation of the threaded rod;

s2: the limiting plate can drive the baffle and the balancing weight to move towards the right side of the display frame in the process of left-right movement of the limiting plate, the limiting plate enables the baffle and the balancing weight to move along the inner track of the movable groove, so that the device can prevent the baffle from influencing materials in the opening when the position of the baffle is adjusted, when the balancing weight moves to the outermost side, the balancing weight can be lapped on the right half part of the connecting frame, at the moment, the connecting frame at the front end of the display frame can rotate on the side connecting plate through the connecting rod, so that the device can prop up the inner connecting plate through the connecting frame, and the inner connecting plate can vertically slide upwards outside the limiting block;

s3: in the process that the baffle moves rightwards, the rotating rod is pulled through the traction steel rope on the left side of the baffle, the traction steel rope is wound on the surface of the rotating rod, so that the rotating rod can be rotated through the traction steel rope, the rear plate can be pulled through the traction steel rope below the rotating rod when the rotating rod rotates, the rear plate moves upwards, and the vortex spring on the outer side of the rotating rod is tensioned;

s4: the in-process that rearmounted board upwards moved can make the connecting pipe of supplementing the frame front end communicate with each other through the opening in through-hole and the show shelf to make the device can be at the in-process automatic supplementary part of removal baffle, and prevent through inscribing the board that the part that supplyes from dropping from the open-ended front end, kicking block and shell are used for supporting the bull stick, make and pull the cable and can stably stimulate rearmounted board and reciprocate.

Compared with the prior art, the invention has the beneficial effects that:

1. through threaded rod on the device, the connecting axle, the connecting plate, pivot and limiting plate, make the device can remove about the connecting plate of each position is synchronous at the in-process of adjusting threaded rod drives, thereby for make the device go up the limiting plate everywhere remove simultaneously in the inner frame, so that the baffle of show shelf front end is opened or closed simultaneously in the follow-up, the convenience when having promoted the device and using, the defect that the baffle of current sales rack when using is not convenient for to each position is automatic to be opened and is closed simultaneously has the advantage that the functionality is stronger.

2. Through the internal frame of the form of bending on the device, the in-process that removes at the baffle can be located the upside of part all the time for the device can not influence the inside part material of placing of opening at the in-process of opening and closing the baffle, has promoted the result of use of device, has reduced the space that inside baffle took when removing, has solved current sales rack and has been not convenient for when using keep off the defect that grey subassembly removed along specific orbit, has the stronger advantage of practicality.

3. Through balancing weight and the link on the device for the balancing weight can take the surface at the link through the balancing weight at the in-process that the baffle removed, thereby makes the balancing weight push down the rear side of link and supports the fishplate bar through the link, makes the device can block the part through the inner joint plate after closing the baffle, prevents that the part from dropping, has promoted the security when the device uses.

4. Through the traction steel cable and the vortex spring that set up, make the device can stimulate baffle rebound at the in-process that the balancing weight removed, make the inside of supplementing frame and show shelf communicate each other, thereby make the device can the automatic supplementary part material at the in-process of closing the baffle, the practicality of device has been promoted, the defect of the automatic supplementary material after closing the baffle of current part sales rack inconvenient to use has been solved, and the in-process at supplementary material makes the material after supplementing can not drop from the opening part of device front end through the automatic rising of interior fishplate bar, the security when having promoted the device and using, current sales rack has been solved when supplementing the material from the rear side, the defect that the material dropped easily, the higher advantage of security has.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:

FIG. 1 is a schematic view of the overall structure of a parts sales stand according to the present invention;

FIG. 2 is a side cross-sectional view of a parts sales stand according to the present invention;

FIG. 3 is a schematic view of the structure of the parts sales stand of FIG. 2;

FIG. 4 is a schematic view of a parts sales stand of the present invention shown at B in FIG. 2;

FIG. 5 is a schematic view of the structure of a parts sales stand of FIG. 2 at C in accordance with the present invention;

FIG. 6 is a schematic view of a connection structure of a limiting plate and a baffle of the parts sales rack of the present invention;

fig. 7 is a schematic view of a connecting rod and a connecting frame of the parts sales rack according to the present invention.

The reference numbers in the figures: 1. a display shelf; 2. a replenishing rack; 3. a connecting pipe; 4. a rear panel; 5. a through hole; 6. a motor; 7. a threaded rod; 8. a lap plate; 9. a limiting groove; 10. a connecting shaft; 11. a connecting plate; 12. a rotating shaft; 13. a limiting plate; 14. a baffle plate; 15. a traction steel rope; 16. a top block; 17. a housing; 18. a rotating rod; 19. a scroll spring; 20. a side joint plate; 21. a connecting rod; 22. a connecting frame; 23. a limiting block; 24. an inner connecting plate; 25. an opening; 26. an inner frame; 27. a movable groove; 28. and a balancing weight.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Examples

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in figures 1-7, a parts sales rack comprises a display rack 1, a supplement rack 2 is fixedly installed on the rear side of the display rack 1, a limit groove 9 is formed in the display rack 1, a connecting pipe 3 is fixedly installed on the surface of the supplement rack 2, a rear plate 4 is arranged between the connecting pipe 3 and the display rack 1, a through hole 5 is formed in the rear plate 4, a motor 6 is fixed on a rear bolt of the display rack 1, a threaded rod 7 is fixedly connected to an output shaft of the motor 6, a lap plate 8 is connected to the outer side of the threaded rod 7 in a threaded manner, a connecting shaft 10 is arranged on the rear side of the lap plate 8 in an attaching manner, the threaded rod 7 is driven by the motor to rotate, so that the lap plate 8 is driven to move left and right, a connecting plate 11 is rotatably installed on the rear side of the connecting shaft 10, a rotating shaft 12 is rotatably installed below the connecting plate 11, a limit plate 13 is fixedly connected to the front end of the rotating shaft 12, and a baffle plate 14 is fixedly installed on the front end of the limit plate 13, the rear plate 4 can automatically supplement the part materials in the cabinet body in the process of closing the baffle 14 through a traction structure on the device when in subsequent use, an inner frame 26 is fixedly arranged in the display rack 1, and a movable groove 27 for limiting the movement of the plate 13 is formed in the inner frame 26.

In the process of moving the lapping plate 8 left and right, the connecting shaft 10 can be driven to move left and right, and the connecting shaft 10 can move up and down in the device, so that the subsequent matching of the moving track of the baffle 14 is facilitated, the device can automatically open or close the baffle 14, and the using effect of the device is improved; the limiting plate 13 can move along the bending track of the movable groove 27 through the movable groove 27 in the device, so that the device can always keep the baffle 14 above the part when the position of the baffle 14 is adjusted, the baffle 14 is prevented from occupying the space in the device when moving, the device can automatically supplement the part without lifting up the baffle 14, and the part can be conveniently supplemented while keeping the dustproof effect through the baffle 24 and the screw transmission structure.

In this example, an opening 25 has been seted up to the inside of show shelf 1, opening 25 communicates with the inside of supplementing frame 2 through-hole 5 and connecting pipe 3 on the rearmost board 4 each other, the right side fixedly connected with balancing weight 28 of baffle 14, the left side bolt of baffle 14 has connect and has drawn steel cable 15, make the inside baffle 14 of device can stimulate drawing steel cable 15 when moving, draw the end of steel cable 15 and link to each other with rearmost board 4, stimulate rearmost board 4 through drawing steel cable 15, make the device can be at the automatic part material that supplyes the cabinet is internal of closing the in-process of baffle 14, the top fixed mounting of show shelf 1 has kicking block 16, rearmost board 4 constitutes elevation structure through drawing between steel cable 15 and baffle 14 and show shelf 1 and the connecting pipe 3.

The rear plate 4 can vertically move up and down through a lifting structure on the device, so that the device can adjust the communication state between the display rack 1 and the connecting pipe 3 as well as the supplement rack 2, and the subsequent automatic supplement of part materials is facilitated.

In this example, the left and right sides of the front end of the display frame 1 are fixedly connected with side connection plates 20, the inner parts of the side connection plates 20 are rotatably provided with connecting rods 21, and the front ends of the connecting rods 21 are fixedly connected with connecting frames 22.

The connecting rod 21 on the device enables the connecting frame 22 to rotate, so that the subsequent ash discharge of the sales rack is facilitated, and the practicability of the device is improved.

In this example, the through holes 5 are equally spaced apart on the rear plate 4, the through holes 5 and the connecting pipes 3 are inclined, and the through holes 5 and the openings 25 are in one-to-one correspondence, so that the device can automatically drop the material by the inclined through holes 5 and the connecting pipes 3 when the material is replenished subsequently.

In this example, the lapping plate 8 passes through and constitutes sliding structure between spacing groove 9 and show shelf 1, and the lapping plate 8 passes through and constitutes first extending structure between threaded rod 7 and the show shelf 1, and the lapping plate 8 runs through in the inside of connecting axle 10, and the lapping plate 8 passes through and constitutes second extending structure between connecting axle 10 and the connecting plate 11.

The first telescopic structure on the device enables the lap joint plate 8 to move straightly left and right under the limiting effect of the limiting groove 9, and the second telescopic structure enables the lap joint plate 8 to move left and right and can drive the connecting shaft 10 and the connecting plate 11 to slide in the showing stand 1.

In this example, the limiting plate 13 forms a rotating structure through the rotating shaft 12 and the connecting plate 11, the limiting plate 13, the baffle 14 and the counterweight 28 are of an integral structure, a gap exists between the limiting plate 13 and the movable groove 27, and the connecting plate 11 and the adjacent connecting plate 11 are connected through the lapping plate 8.

Through the clearance between limiting plate 13 and the movable groove 27 for the device can adapt to the movable groove 27 of bending and carry out steady movement, makes baffle 14 in the device be located the top of part material all the time, guarantees that baffle 14 can not block the part material in the in-process that moves again.

In this example, a housing 17 is fixedly connected to the left side of the top block 16, a rotating rod 18 is rotatably mounted inside the housing 17, the traction cable 15 is wound on the surface of the rotating rod 18, a scroll spring 19 is sleeved outside the rotating rod 18, and the head and the tail of the scroll spring 19 are respectively connected with the housing 17 and the rotating rod 18.

The rotation of the rotating rod 18 can drive the traction steel rope 15 to wind on the rotating rod 18 through the vortex spring 19 on the device, so that the sold parts can be automatically supplemented conveniently and subsequently, and the convenience of the device in use is improved.

In this example, one-to-one between link 22 and the balancing weight 28, link 22 pass through and constitute rotating-structure between balancing weight 28 and the side joint board 20, and the show shelf 1 internal fixation of link 22 rear side is provided with stopper 23, and the outside laminating of stopper 23 is provided with interior fishplate bar 24, and interior fishplate bar 24 passes through stopper 23 and link 22 and constitutes extending structure between the show shelf 1.

The telescopic structure on the device can block the opening 25 at the front end of the device through the inner connecting plate 24 when the device supplements parts, so that the parts are prevented from falling down during supplementing, and the using effect of the device is improved.

In this example, the weight blocks 28 are symmetrically distributed on the front and rear sides of the baffle plate 14, and the weight blocks 28 and the baffle plate 14 both pass through the limiting plate 13 and form a sliding structure with the inner frame 26.

The counterweight 28 and the baffle 14 move along a specific track through a sliding structure on the device, so that the device can stably block the opening 25 at the front end of the device after replenishing materials, and the dustproof purpose is achieved.

It should be noted that the invention is a parts sales rack and its using method, first, as shown in fig. 1-5, when the device supplements the parts materials, the motor 6 at the rear side of the display rack 1 drives the threaded rod 7 to rotate, when the threaded rod 7 rotates, the lap plate 8 can be driven to move left and right straightly under the limit action of the limit groove 9, in the moving process, the lap plate 8 can drive the connecting plate 11 in the device to move left and right through the connecting shaft 10, because the connecting plate 11 is connected with the limit plate 13 through the rotating shaft 12, when the device is used, the connecting plate 11 can drive the limit plate 13 to move in the movable groove 27 in the inner frame 26, so that the device can drive the limit plate 13 at each position to move left and right through the rotation of the threaded rod 7, and can drive the baffle 14 and the counterweight 28 to move to the right side of the display rack 1 in the process of moving the limit plate 13, the limiting plate 13 enables the baffle plate 14 and the balancing weight 28 to move along the inner track of the movable groove 27, so that the device can prevent the baffle plate 14 from affecting the material in the opening 25 when the position of the baffle plate 14 is adjusted, as shown in fig. 4-7, when the balancing weight 28 moves to the outermost side, the balancing weight 28 can be lapped on the right half part of the connecting frame 22, at this time, the connecting frame 22 at the front end of the display frame 1 can rotate on the side connecting plate 20 through the connecting rod 21, so that the device can prop up the inner connecting plate 24 through the connecting frame 22, and the inner connecting plate 24 can vertically slide upwards at the outer side of the limiting block 23.

As shown in fig. 2-6, during the rightward movement of the baffle 14, the rotating rod 18 is also pulled by the traction cable 15 on the left side of the baffle 14, since the traction cable 15 is wound around the surface of the rotating rod 18, the traction cable 15 can rotate the rotating rod 18, the rotating rod 18 can pull the rear plate 4 through the traction cable 15 below the rotating rod 18 when rotating, so that the rear plate 4 moves upwards, the scroll spring 19 outside the rotating rod 18 is tensioned, the connection pipe 3 at the front end of the supplementary holder 2 can be made to communicate with the opening 25 in the display stand 1 through the through-hole 5 during the upward movement of the rear plate 4, so that the device can automatically supplement parts during the process of moving the baffle plate 14 and prevent the supplemented parts from falling from the front end of the opening 25 through the inner joint plate 24, the top block 16 and the shell 17 are used for supporting the rotating rod 18, so that the traction steel cable 15 can stably pull the rear plate 4 to move up and down.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of this invention can be used in any combination as long as there is no structural conflict, and the combination is not exhaustively described in this specification merely for the sake of brevity and resource savings. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. A parts sales stand, includes show shelf (1), its characterized in that: the rear side fixed mounting of show shelf (1) has supplementary frame (2), spacing groove (9) have been seted up to the inside of show shelf (1), the fixed surface of supplementary frame (2) installs connecting pipe (3), be provided with rearmounted board (4) between connecting pipe (3) and show shelf (1), through-hole (5) have been seted up to the inside of rearmounted board (4), and the rear side bolt of show shelf (1) is fixed with motor (6), fixedly connected with threaded rod (7) on the output shaft of motor (6), the outside threaded connection of threaded rod (7) has lap joint plate (8), the rear side laminating of lap joint plate (8) is provided with connecting axle (10), the rear side of connecting axle (10) is rotated and is installed connecting plate (11), the below of connecting plate (11) is rotated and is installed pivot (12), the front end fixedly connected with limiting plate (13) of pivot (12), the front end of the limiting plate (13) is fixedly provided with a baffle (14), an inner frame (26) is fixedly arranged inside the display frame (1), and a movable groove (27) used for the limiting plate (13) to move is formed in the inner frame (26).

2. A parts sales stand according to claim 1, wherein: opening (25) have been seted up to the inside of show shelf (1), opening (25) communicate with the inside of supplementing frame (2) through-hole (5) and connecting pipe (3) on rearmounted board (4) each other, the right side fixedly connected with balancing weight (28) of baffle (14), the left side bolt joint of baffle (14) have pull steel cable (15), the end and rearmounted board (4) of pull steel cable (15) link to each other, the top fixed mounting of show shelf (1) has kicking block (16), constitute elevation structure between rearmounted board (4) through pulling steel cable (15) and baffle (14) and show shelf (1) and connecting pipe (3).

3. A parts sales stand according to claim 2, wherein: the showing stand is characterized in that the left side and the right side of the front end of the showing stand (1) are fixedly connected with side connecting plates (20), connecting rods (21) are installed inside the side connecting plates (20) in a rotating mode, and the front ends of the connecting rods (21) are fixedly connected with connecting frames (22).

4. A parts sales stand according to claim 2, wherein: the through holes (5) are distributed on the rear plate (4) at equal intervals, and the through holes (5) and the connecting pipes (3) are inclined.

5. A parts sales stand according to claim 1, wherein: the novel display rack is characterized in that the lap joint plate (8) forms a sliding structure between the limiting groove (9) and the display rack (1), the lap joint plate (8) forms a first telescopic structure between the threaded rod (7) and the display rack (1), the lap joint plate (8) runs through the inside of the connecting shaft (10), and the lap joint plate (8) forms a second telescopic structure between the connecting shaft (10) and the connecting plate (11).

6. A parts sales stand according to claim 1, wherein: limiting plate (13) constitute revolution mechanic between through pivot (12) and connecting plate (11), limiting plate (13), baffle (14) and balancing weight (28) formula structure as an organic whole, there is the space between limiting plate (13) and activity groove (27), connecting plate (11) and adjacent connecting plate (11) all link to each other through bridging plate (8).

7. A parts sales stand according to claim 2, wherein: the left side fixedly connected with shell (17) of kicking block (16), bull stick (18) are installed in the inside rotation of shell (17), traction steel cable (15) winding sets up the surface at bull stick (18), the outside cover of bull stick (18) is equipped with vortex spring (19), the end to end both ends of vortex spring (19) link to each other with shell (17) and bull stick (18) respectively.

8. The parts sales stand of claim 6, wherein: one-to-one between link (22) and balancing weight (28), link (22) constitute rotating-structure through between balancing weight (28) and side connection board (20), and the show shelf (1) internal fixation of link (22) rear side is provided with stopper (23), the outside laminating of stopper (23) is provided with interior fishplate bar (24), constitute extending structure between interior fishplate bar (24) through stopper (23) and link (22) and show shelf (1).

9. A parts sales stand according to claim 8, wherein: balancing weight (28) symmetric distribution is in the front and back both sides of baffle (14), balancing weight (28) and baffle (14) all constitute sliding construction through between limiting plate (13) and interior frame (26).

10. A method for using a parts sales rack, the method being mainly performed by the cooperation of the parts sales rack of any one of claims 1 to 9, the method mainly comprising the steps of:

s1: when supplementing part materials, firstly, a motor (6) at the rear side of the showing stand (1) drives a threaded rod (7) to rotate, the threaded rod (7) can drive a lapping plate (8) to move left and right straightly under the limiting effect of a limiting groove (9) when rotating, in the moving process, the lapping plate (8) can drive a connecting plate (11) in the device to move left and right through a connecting shaft (10), and the connecting plate (11) is connected with a limiting plate (13) through a rotating shaft (12), so that when the device is used, the connecting plate (11) can drive the limiting plate (13) to move in a movable groove (27) in an inner frame (26), and the limiting plate (13) at each position can simultaneously move left and right through the rotation of the threaded rod (7);

s2: the baffle plate (14) and the balancing weight (28) can be driven to move towards the right side of the display frame (1) in the process that the limiting plate (13) moves left and right, the limiting plate (13) enables the baffle plate (14) and the balancing weight (28) to move along the inner track of the movable groove (27), so that the device can prevent the baffle plate (14) from influencing materials in the opening (25) when the position of the baffle plate (14) is adjusted, when the balancing weight (28) moves to the outermost side, the balancing weight (28) can be lapped on the right half part of the connecting frame (22), at the moment, the connecting frame (22) at the front end of the display frame (1) can rotate on the side connecting plate (20) through the connecting rod (21), and therefore the device can support the inner connecting plate (24) through the connecting frame (22), and the inner connecting plate (24) can vertically slide upwards outside the limiting block (23);

s3: in the process that the baffle (14) moves rightwards, the rotating rod (18) is pulled through the traction steel rope (15) on the left side of the baffle (14), the traction steel rope (15) is wound on the surface of the rotating rod (18), so that the rotating rod (18) can be rotated by the traction steel rope (15) on the lower portion of the rotating rod (18), the rear plate (4) can be pulled through the traction steel rope (15) below the rotating rod (18) when the rotating rod (18) rotates, the rear plate (4) moves upwards, and the vortex spring (19) on the outer side of the rotating rod (18) is tensioned;

s4: in the process that the rear plate (4) moves upwards, the connecting pipe (3) at the front end of the supplementing frame (2) can be communicated with the opening (25) in the display frame (1) through the through hole (5), so that the device can automatically supplement parts in the process of moving the baffle (14), the supplemented parts are prevented from falling from the front end of the opening (25) through the inner connecting plate (24), the ejector block (16) and the shell (17) are used for supporting the rotating rod (18), and the traction steel rope (15) can stably pull the rear plate (4) to move up and down.

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