CN209875674U

CN209875674U - Adjusting screw

Info

Publication number: CN209875674U
Application number: CN201920571675.XU
Authority: CN
Inventors: 闻金普
Original assignee: Zhejiang Jida Metal Co Ltd
Current assignee: Zhejiang Jida Metal Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2019-12-31
Anticipated expiration: 2029-04-24

Abstract

The utility model relates to the technical field of fasteners, and discloses an adjusting screw, which is characterized by comprising a screw rod and a nut with a through hole in the middle, wherein the outer wall of the screw rod is provided with an external thread, the inner wall of the through hole is provided with an internal thread matched with the external thread, and the nut is connected with a moving rod through a clamping piece; the joint spare is including setting up the fixture block on the outer wall of carriage release lever, be equipped with the fixed slot that supplies the carriage release lever to stretch into on the outer wall of nut, be equipped with on the inner wall of fixed slot with fixture block complex draw-in groove. The utility model discloses need not to change other screws when the screw degree of depth of object is not fit for with screw rod length, have the function that application scope is big.

Description

Adjusting screw

Technical Field

The utility model relates to a technical field of fastener, more specifically say that it relates to an adjusting screw.

Background

The screw is a tool for fastening an object or a machine member gradually and sequentially by utilizing the physics and mathematical principles of the inclined circular rotation and the friction force of the object. The screw generally comprises a screw rod and a nut arranged at the top of the screw rod, and the nut is driven to rotate by a tool such as a screwdriver during disassembly and assembly, so that the screw rod is driven to screw in or screw out of the fixed body under the guiding action of threads.

The nut and the screw rod in the traditional screw are fixedly connected, the length of the screw rod extending into an object is fixed, and if the depth of a screw hole in the object, which is in threaded fit with the screw rod, is greater than the length of the screw rod, the screw rod cannot be screwed to the bottom of the screw hole, so that the fastening effect on the object is small; if the depth of screw is less than the length of screw, the screw still can expose one section after revolving to the bottom of screw, and the screw can not compress tightly the object this moment. Therefore, the traditional screw is only suitable for connecting objects with the screw hole depth equal to the screw rod length, and only other screws can be replaced when the screw hole depth is not suitable for the screw rod length, so that the application range is small.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides an adjusting screw need not to change other screws when the screw degree of depth of object and screw rod length are uncomfortable, has the function that application scope is big.

In order to achieve the above purpose, the utility model provides a following technical scheme: an adjusting screw comprises a screw rod and a screw cap, wherein the middle part of the screw cap is provided with a through hole, the outer wall of the screw rod is provided with an external thread, the inner wall of the through hole is provided with an internal thread matched with the external thread, and the screw cap is connected with a movable rod through a clamping piece; the joint spare is including setting up the fixture block on the outer wall of carriage release lever, be equipped with the fixed slot that supplies the carriage release lever to stretch into on the outer wall of nut, be equipped with on the inner wall of fixed slot with fixture block complex draw-in groove.

Through adopting above-mentioned technical scheme, the screw rod is when fixed, can make it remove along the length direction of screw rod through rotatory nut to change the upper and lower both ends of screw rod and the interval of nut, make this screw can with the screw thread fit of the different degree of depth, need not to change the screw when the screw depth is unequal with the initial length of screw rod, application scope is big. When the nut is manually rotated, one end of the moving rod is inserted into the fixing groove, the clamping block extends into the clamping groove, and the clamping groove can limit the clamping block to move out of the nut, so that the moving rod is not easy to separate from the nut. And the moving rod is rotated to drive the nut to rotate, so that the moment generated when the nut is rotated by hands can be increased by the moving rod, and the effect of saving labor is achieved. When the movable rod is not used, the movable rod is moved to one side far away from the clamping groove so that the clamping block and the clamping groove are separated, the occupied space of the whole screw is reduced, and the screw is convenient to store.

The utility model discloses further set up to: the nut is regular hexagon and every side all is equipped with fixed slot and draw-in groove.

Through adopting above-mentioned technical scheme, people's accessible is pegged graft the cooperation with the fixed slot of the different sides of carriage release lever and nut to need not to install the carriage release lever in the specific position department of nut, be applicable to different installation environment, reduced the time that people looked for specific position, the installation effectiveness is high. The nut is the rotatory nut of instrument such as spanner, and the mounting means is various that the nut is regular hexagon conveniently.

The utility model discloses further set up to: the clamping block is hemispherical.

Through adopting above-mentioned technical scheme, the fixture block is the cambered surface with the contact surface of fixed slot and draw-in groove inner wall, and this cambered surface plays certain guide effect, simple to operate when the fixture block stretches into the draw-in groove.

The utility model discloses further set up to: and the outer wall of the movable rod is provided with an anti-skid block extending along the length direction of the movable rod.

By adopting the technical scheme, the anti-slip blocks increase the friction force between the hand and the moving rod, so that the hand is not easy to move relative to the moving rod when the moving rod is rotated.

The utility model discloses further set up to: the one end that the nut was kept away from to the carriage release lever is equipped with the locating piece, the diameter of locating piece is greater than the diameter of carriage release lever.

By adopting the technical scheme, when the movable rod is pulled out, the hand has an acting force towards the direction away from the nut on the movable rod, and the positioning block can limit the hand to be completely separated from the movable rod in the process of pulling the movable rod.

The utility model discloses further set up to: and a material saving cavity is arranged in the screw rod.

By adopting the technical scheme, the material-saving cavity saves the manufacturing materials of the screw on the basis of not influencing the performance of the screw, and has the effects of energy conservation and environmental protection.

The utility model discloses further set up to: and one end of the screw rod is provided with a hexagonal mounting groove.

Through adopting above-mentioned technical scheme, people's accessible will stretch into the mounting groove with the hexagonal screwdriver of mounting groove adaptation and rotate the screw rod in the mounting groove to realize the precession or the precession of screw rod or screw out.

The utility model discloses further set up to: the screw rod is kept away from the integrative formation of one end of mounting groove and is had the guide block, the diameter of guide block reduces to the one side of keeping away from the mounting groove gradually.

Through adopting above-mentioned technical scheme, the guide block plays the effect of direction when the screw rod stretches into on the screw of object, the installation of the screw of being convenient for.

The utility model discloses further set up to: and a mark layer is arranged on one side of the screw cap, which is far away from the mounting groove, and the mark layer is a fluorescent layer.

By adopting the technical scheme, in a dim environment, the fluorescent layer can absorb incident light and generate fluorescence, so that people can conveniently and quickly position the screw.

To sum up, the utility model discloses following beneficial effect has:

1. the screw cap is in threaded connection with the screw rod instead of being fixedly connected, people can move the screw cap along the length direction of the screw rod by rotating the screw cap, so that the distance between the screw cap and one end of the screw rod is changed to be suitable for screw holes with different depths, and the application range is wide;

2. when the moving rod is connected with the nut, the moment of the nut can be increased when people move the nut, and the nut is labor-saving and convenient; when the movable rod is not used, people can move the movable rod to one side far away from the nut so as to separate the movable rod from the nut, and therefore the occupied space of the screw is reduced;

3. the material-saving cavity saves the manufacturing materials of the screw on the basis of not influencing the performance of the screw, and is energy-saving and environment-friendly; the fluorescent layer has the effect of facilitating people to quickly position the screw under the condition of dark light.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic cross-sectional view of the nut and screw of this embodiment shown separated;

fig. 3 is a schematic structural view of the moving rod in the present embodiment.

Reference numerals: 1. a screw; 2. a nut; 3. a through hole; 4. mounting grooves; 5. a guide block; 6. a material saving cavity; 7. a marker layer; 8. a travel bar; 9. a clamping block; 10. fixing grooves; 11. a card slot; 12. anti-skid blocks; 13. and (5) positioning the blocks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses an adjusting screw, as shown in fig. 1 and 2, including screw rod 1 and nut 2, nut 2 is regular hexagon and center department is equipped with through-hole 3, is equipped with the external screw thread (not shown in the figure) that advances along its length direction on the outer wall of screw rod 1, is equipped with the internal thread (not shown in the figure) that advances along its depth direction on the inner wall of through-hole 3, and external screw thread and internal thread screw-thread fit. People's accessible rotation nut 2 makes it move along the length direction of screw rod 1 to change the interval of nut 2 and screw rod 1 one end, make the screw depth of object and screw rod 1 length inequality need not to change the screw, the application scope of screw is big.

As shown in fig. 1 and 2, a hexagonal mounting groove 4 is formed in the upper end surface of the screw rod 1, and when the screw is mounted, a hexagonal screwdriver matched with the mounting groove 4 can be inserted into the mounting groove 4 by people to drive the screw rod 1 to rotate, so that the screw rod 1 can be screwed in or out. A guide block 5 is integrally formed on the lower end face of the screw rod 1, and the diameter of the guide block 5 is gradually reduced from top to bottom. The guide block 5 plays a guiding role when the lower end of the screw rod 1 extends into the screw hole.

As shown in fig. 1 and 2, a material saving cavity 6 is arranged inside the screw rod 1, and the material saving cavity 6 is positioned between the installation groove 4 and the guide block 5. The material saving cavity 6 saves production materials of the screw rod 1 on the premise of not influencing physical properties of the screw rod 1 such as strength and the like, and has the effects of energy saving and environmental protection.

As shown in fig. 1 and 2, a mark layer 7 is disposed on the upper end surface of the nut 2, and the mark layer 7 is a fluorescent agent coated on the nut 2. The fluorescent agent is a fluorescent dye, and has the effects of absorbing incident light to generate fluorescence and enabling a dyed substance to obtain the scintillation similar to fluorite. In dim light environment, the mark layer 7 can absorb external light to enable the nut 2 to emit light, and the effect of facilitating people to position the nut 2 is achieved.

As shown in fig. 2 and 3, a moving rod 8 is connected to one of the side walls of the nut 2 through a snap-in member, and the moving rod 8 is made of an elastic material. The joint spare is including fixing fixture block 9 on the outer wall of carriage release lever 8, and the shape of fixture block 9 is hemispherical, all is equipped with fixed slot 10 on six lateral walls of nut 2, is equipped with hemispherical draw-in groove 11 on the inner wall of fixed slot 10. When inserting one of them fixed slot 10 with the one end of carriage release lever 8, fixture block 9 removes along with it and receives the oppression of the inner wall of fixed slot 10 and produce deformation, and fixture block 9 is no longer pressurized and reconversion when getting into draw-in groove 11 completely, and the inner wall of draw-in groove 11 can restrict carriage release lever 8 and nut 2 separation this moment to realize being connected of carriage release lever 8 and nut 2. People's accessible carriage release lever 8 drives nut 2 and rotates, and carriage release lever 8 has increased the moment that the staff rotated nut 2, has laborsaving effect.

As shown in fig. 2 and 3, four anti-slip blocks 12 are uniformly distributed on the outer wall of the moving rod 8 in the circumferential direction, the anti-slip blocks 12 extend along the length direction of the moving rod 8, and the anti-slip blocks 12 increase the friction force between the hand of a person and the moving rod 8, so that the hand of the person is not easy to move relative to the moving rod 8 when the moving rod 8 is rotated. A positioning block 13 is fixed at one end of the moving rod 8, which is far away from the clamping block 9, the diameter of the positioning block 13 is larger than that of the moving rod 8, and the positioning block 13 can limit the complete separation of a hand from the moving rod 8 when the moving rod 8 is pulled.

The working principle of the embodiment is as follows: when the depth of the screw hole on the object is different from the initial length of the screw rod 1, the end of the movable rod 8 far away from the positioning block 13 is inserted into the fixing groove 10, and the clamping block 9 moves along with the end and is embedded into the clamping groove 11. The moving rod 8 drives the screw cap 2 to rotate, so that the screw cap 2 moves along the length direction of the screw rod 1, the distance between the upper end and the lower end of the screw cap 2 and the screw rod 1 is changed, the screw cap 2 is matched with the screw hole, people do not need to replace a new screw, and the application range of the screw is enlarged.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. An adjusting screw, characterized in that: the nut comprises a screw rod (1) and a nut (2) with a through hole (3) in the middle, wherein an external thread is arranged on the outer wall of the screw rod (1), an internal thread matched with the external thread is arranged on the inner wall of the through hole (3), and the nut (2) is connected with a movable rod (8) through a clamping piece; the joint spare is including setting up fixture block (9) on the outer wall of carriage release lever (8), be equipped with on the outer wall of nut (2) and supply carriage release lever (8) to stretch into fixed slot (10), be equipped with on the inner wall of fixed slot (10) with fixture block (9) complex draw-in groove (11).

2. An adjustment screw according to claim 1, characterized in that: the nut (2) is in a regular hexagon shape, and each side face of the nut is provided with the fixing groove (10) and the clamping groove (11).

3. An adjustment screw according to claim 1, characterized in that: the fixture block (9) is hemispherical.

4. An adjustment screw according to claim 1, characterized in that: and the outer wall of the moving rod (8) is provided with an anti-skid block (12) extending along the length direction.

5. An adjustment screw according to claim 4, characterized in that: one end, far away from the nut (2), of the moving rod (8) is provided with a positioning block (13), and the diameter of the positioning block (13) is larger than that of the moving rod (8).

6. An adjustment screw according to claim 1, characterized in that: and a material saving cavity (6) is arranged in the screw rod (1).

7. An adjustment screw according to claim 1, characterized in that: one end of the screw rod (1) is provided with a mounting groove (4) in a hexagonal shape.

8. An adjustment screw as claimed in claim 7, characterized in that: the screw rod (1) is kept away from the integrative guide block (5) that has generated of one end of mounting groove (4), the diameter of guide block (5) is to keeping away from one side of mounting groove (4) and is reduced gradually.

9. An adjustment screw as claimed in claim 7, characterized in that: and a mark layer (7) is arranged on one side, far away from the mounting groove (4), of the screw cap (2), and the mark layer (7) is a fluorescent layer.