CN219981274U - Lifting table control box shell convenient to disassemble and assemble - Google Patents

Abstract

A lifting table control box shell convenient to disassemble and assemble comprises a front shell and a rear cover; the front shell is provided with a plurality of key holes; the rear cover is arranged at the rear side of the front shell; the device also comprises a connecting structure and a locking structure; the connecting structure comprises a plurality of connecting seats protruding from the rear side of the front shell and a plurality of connecting ribs protruding from the peripheral side of the rear cover, one side of the connecting seats is provided with a clamping notch, the front shell and the rear cover can relatively rotate, and the connecting ribs can be clamped and matched into the clamping notch of the connecting seats or the matching between the connecting ribs and the clamping notch is released along with the relative rotation between the front shell and the rear cover; the locking structure is arranged between the front shell and the rear cover and at least has a locking state and an unlocking state; the state transformation of the connecting structure and the locking structure is realized by the relative rotation between the front shell and the rear cover, so that the control box shell is very simple, convenient and quick to mount and dismount while ensuring firm connection.

Description

Lifting table control box shell convenient to disassemble and assemble

Technical Field

The utility model relates to the field of lifting table control boxes, in particular to a lifting table control box shell convenient to assemble and disassemble.

Background

The existing automatic lifting table generally uses electricity as a power source, the height of the lifting table is regulated by a motor control mechanical device, and the height of the lifting table can be regulated by a compressor control air pressure rod or a hydraulic pressure rod, so that the existing lifting table is generally provided with a control box to control a driven motor or a compressor, and the lifting of the lifting table is regulated and controlled.

The Chinese patent with the patent number ZL202120650677.5 discloses: "a control box and electric lifting table, it includes the box body, it has straight flange portion and inclined portion, there is the first installation space in the straight flange portion, and there is the second installation space in the inclined portion; the straight edge part of the box body is provided with a plurality of connecting holes which extend along the thickness direction of the box body and respectively penetrate through the top and the bottom of the straight edge part; the first control circuit board is arranged in the first installation space, through holes which are communicated with the connecting holes in a one-to-one correspondence mode are formed in the first control circuit board, and when connecting screws connected with the bottom of the table board are penetrated into the connecting holes of the straight edge part, the connecting screws penetrate through the through holes in the first control circuit board, so that the first control circuit board is limited in the first installation space; the second control circuit board is electrically connected with the first control circuit board. The control box and the electric lifting table are reasonable in circuit board layout, novel in structure, convenient and simple to install, stable and capable of meeting the requirements of people on quick assembly.

However, as described in the above patent, the shell parts of the control box of the lifting table in the prior art are all connected and fixed by screws, but with the development of the technology, the existing mechanical connection and fixation modes without screws such as clamping fit or plugging fit have been started to appear in the prior art, but the shell parts of the control boxes omit screws, but the existing fixing structure can make the structure arrangement very complicated for the connection, so that the disassembly and assembly of the shell of the control box of the lifting table are very difficult.

Disclosure of Invention

In order to overcome the defect that the lifting table control box shell is difficult to disassemble and assemble due to the fact that the shell connecting structure of the lifting table control box is complex in the prior art, the utility model provides the lifting table control box shell convenient to disassemble and assemble.

The technical scheme for solving the technical problems is as follows: a lift table control box housing convenient to disassemble and assemble comprises:

a front shell provided with a plurality of key holes;

a rear cover which is arranged at the rear side of the front shell;

the method also comprises the following steps:

the connecting structure comprises a plurality of connecting seats and a plurality of connecting ribs, wherein the connecting seats are arranged on the rear side of the front shell in a protruding mode, the connecting ribs are arranged on the periphery side of the rear cover in a protruding mode, clamping gaps are formed in one side of the connecting seats, the front shell and the rear cover can relatively rotate, and the connecting ribs can be clamped and matched into the clamping gaps of the connecting seats or are released from being matched with the clamping gaps along with the relative rotation between the front shell and the rear cover;

a locking structure arranged between the front shell and the rear cover, and at least provided with a locking state and an unlocking state;

when the locking structure is in a locking state, the locking structure acts between the front shell and the rear cover, so that relative rotation between the front shell and the rear cover is blocked;

when the locking structure is in an unlocked state, the locking structure is deactivated from the front and rear covers, thereby contacting a block of relative rotation between the front and rear covers.

The state switching mode of the locking structure is further that when the connecting ribs are clamped and matched into the clamping gaps through relative rotation between the front shell and the rear cover, the locking structure is switched from an unlocking state to a locking state; when the front shell and the rear cover relatively rotate to enable the connecting ribs to be separated from the clamping gaps, the locking structure is switched from a locking state to an unlocking state.

The concrete structure of the locking structure is further that the locking structure comprises a locking bead embedded on the front shell and a locking groove formed in the rear cover, an embedding groove used for embedding the locking bead is formed in the front shell, a locking spring is further arranged in the embedding groove in a penetrating mode, the locking spring acts between the front shell and the locking bead, and the upper end of the locking bead is exposed at the notch of the embedding groove under the action of the locking spring and forms interference fit with the locking groove.

The state switching mode of the locking structure is still further that the rear cover can generate a movement trend of rotation relative to the front shell under external acting force, and the acting force also has a threshold value; in the process that the rear cover is rotated relative to the front shell by external force to enable the connecting ribs to be separated from the clamping gaps:

when the acting force applied to the rear cover is larger than the threshold value, the locking beads are pushed by the wall of the locking groove to retract into the scarf joint groove against the action of the locking spring, so that the interference fit between the locking beads and the locking groove is released, and the locking structure is switched from a locking state to an unlocking state;

when the force applied to the rear cover is smaller than the threshold value, the pushing of the locking groove wall to the locking bead is insufficient to overcome the action of the locking spring, so that the locking structure maintains the locking state.

The limiting structure of the connecting rib is further arranged on the front shell, the back of the front shell is positioned on the side edge of one side of the clamping notch formed in the connecting seat, and a limiting step is further arranged on the side edge of one side of the clamping notch in a protruding mode.

In the use process, besides the locking structure acts between the front shell and the rear cover to prevent the connecting ribs from being separated from the clamping notch, the limiting step is in limiting fit with the connecting ribs, and the function of preventing the connecting ribs from being separated from the clamping notch is also achieved.

The mode that this control box shell was installed to wall or desktop is further, still link up on the preceding shell and offered a plurality of screw hole that supplies the screw to pass, thereby make preceding shell can pass through screw connection on wall or desktop, and the front side of preceding shell still is connected with a baffle ring, the baffle ring will the screw hole shelters from.

When the control box shell is mounted on a wall surface or a table top, the front shell and the rear cover which are not connected with the baffle ring are firstly abutted on the wall surface or the table top together with the rear cover connected with the front shell, then the screw penetrates through the screw hole and is screwed on the wall surface or the table top, so that the front shell and the rear cover are fixed on the wall surface or the table top under the action of the screw, and then the baffle ring is connected to the front shell to cover the screw hole.

The front shell is further connected with the baffle ring in a connecting mode, a connecting hole is formed in the front side of the front shell, a connecting claw is arranged on the rear side of the baffle ring in a protruding mode, the connecting hole comprises an inserting section and an interference section, an interference rib is further arranged on the position of the interference section of the connecting hole in a protruding mode, when the baffle ring is connected to the front shell, the connecting claw is connected to the connecting hole in a plugging mode through the inserting section, and the baffle ring is rotated relative to the front shell, so that the connecting claw moves from the inserting section to the interference section, and interference fit is formed between the connecting claw and the interference rib.

The connecting holes are correspondingly arranged at the connecting seats, and the connecting seats are penetrated by the connecting holes.

The mounting and dismounting modes of the utility model are as follows: in the assembly and installation process of the control box shell, the locking groove on the rear cover is aligned with the locking bead on the front shell, then the rear cover and the front shell are buckled together, interference is generated between the connecting rib and the connecting seat in the buckling process, so that the rear cover and the front shell can be rotated relatively by a small extent before buckling in place, the connecting rib is enabled to avoid the connecting seat, after the front shell and the rear cover are completely buckled, the connecting rib is located on one side edge of the connecting seat, which is provided with the clamping notch, then the rear cover can be rotated with force relative to the front shell, the connecting rib moves towards the direction of the clamping notch, finally the connecting rib is enabled to cross the limiting step and then is clamped and matched into the clamping notch, the locking bead is enabled to move along with the position of the locking bead, interference fit is generated between the locking bead and the locking groove under the action of the locking spring, at the moment, the front shell and the rear cover of the control box shell are connected, then the front shell and the rear cover can be fixed onto a wall surface or a table top together by using screws, finally the connecting claw on the retaining ring is aligned with the inserting section of the connecting claw on the front shell, the retaining ring is enabled to be inserted into the retaining ring, and the interference fit between the retaining ring and the front shell and the connecting claw is enabled to be inserted into the retaining ring.

In the disassembly process of the control box shell, the stop ring is firstly removed from the front shell, then the front shell and the rear cover are removed from the wall surface or the table top through unscrewing the screw, and then the rear cover is forcefully rotated along the direction that the connecting rib is separated from the clamping notch, so that the locking bead is retracted into the embedding groove against the action of the locking spring, interference fit between the locking bead and the locking groove is relieved, the connecting rib is further smoothly separated from the clamping notch, and finally the rear cover and the front shell are separated.

The utility model has the beneficial effects that:

1. the front shell and the rear cover are connected by the connecting structure, the front shell and the rear cover are locked by the locking structure, and the state transformation of the connecting structure and the locking structure is realized by the relative rotation between the front shell and the rear cover, so that the control box shell is very simple, convenient and quick to install and detach while ensuring firm connection;

2. the locking structure is formed by adopting a mode that the locking beads pushed by the locking springs are matched with the locking grooves, so that the state change process of the locking structure is smoother while the structure is simpler, and the change of the matching relation between the locking beads and the locking grooves during the state change can be obviously fed back to a user, so that the user can clearly sense the state change of the locking structure;

3. a limiting step is further arranged to further increase the stability of the front shell and the rear cover when the front shell and the rear cover are connected together;

4. the front shell is also connected with a baffle ring to shield the screw hole, so that water and dust can not enter the screw hole after the control box shell is connected to a wall surface or a table top, and the screw is effectively prevented from being blocked or rusted.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the back structure of the present utility model.

Fig. 3 is an exploded schematic view of the front and rear covers of the present utility model.

Fig. 4 is a cross-sectional view of the present utility model.

Fig. 5 is an enlarged schematic view at a in fig. 4.

Fig. 6 is an exploded view of the front shell and the retainer ring of the present utility model.

FIG. 7 is a schematic view of the structure of the retainer ring of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that, although the terms upper, middle, lower, top, end, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding and are not used to define any directional or sequential limitation.

Examples

A lifting table control box shell which is convenient to disassemble and assemble and comprises a front shell 1 and a rear cover 3 is combined with the figures 1 to 7; a plurality of key holes 2 are formed in the front shell 1; the rear cover 3 is covered on the rear side of the front shell 1; the device also comprises a connecting structure and a locking structure; the connecting structure comprises a plurality of connecting seats 4 protruding from the rear side of the front shell 1 and a plurality of connecting ribs 5 protruding from the peripheral side of the rear cover 3, wherein a clamping notch 6 is formed in one side of the connecting seats 4, the front shell 1 and the rear cover 3 can relatively rotate, and the connecting ribs 5 can be clamped and matched into the clamping notch 6 of the connecting seats 4 or the matching between the connecting ribs 5 and the clamping notch 6 can be released along with the relative rotation between the front shell 1 and the rear cover 3; the locking structure is arranged between the front shell 1 and the rear cover 3, and at least has a locking state and an unlocking state; when the locking structure is in a locking state, the locking structure acts between the front case 1 and the rear cover 3, thereby blocking the relative rotation between the front case 1 and the rear cover 3; when the locking structure is in the unlocked state, the effect of the locking structure on the front case 1 and the rear cover 3 is released, thereby contacting the retardation of the relative rotation between the front case 1 and the rear cover 3.

In this embodiment, when the connection rib 5 is snap-fitted into the snap-fit notch 6 by the relative rotation between the front case 1 and the rear cover 3, the locking structure is switched from the unlocked state to the locked state; when the front shell 1 and the rear cover 3 rotate relatively to enable the connecting rib 5 to be separated from the clamping notch 6, the locking structure is switched from a locking state to an unlocking state.

In this embodiment, the locking structure includes a locking bead 7 embedded on the front shell 1 and a locking groove 8 formed on the rear cover 3, and the front shell 1 is further provided with an engagement groove 9 for embedding the locking bead 7, a locking spring 10 is further disposed in the engagement groove 9 in a penetrating manner, the locking spring 10 acts between the front shell 1 and the locking bead 7, and the upper end of the locking bead 7 is exposed at the notch of the engagement groove 9 under the action of the locking spring 10 and forms interference fit with the locking groove 8.

In the present embodiment, the rear cover 3 can generate a movement trend of rotation relative to the front case 1 under an external force, and the force also has a threshold value; in the process that the rear cover 3 is rotated relative to the front shell 1 by external force to disengage the connecting rib 5 from the clamping notch 6:

when the acting force applied to the rear cover 3 is greater than the threshold value, the locking bead 7 is pushed by the wall of the locking groove 8 to overcome the action of the locking spring 10 and retract into the scarf joint groove 9, so that the interference fit between the locking bead 7 and the locking groove 8 is released, and the locking structure is switched from a locking state to an unlocking state;

when the force applied to the rear cover 3 is smaller than the threshold value, the pushing of the wall of the locking groove 8 against the locking bead 7 is insufficient to overcome the action of the locking spring 10, so that the locking structure maintains the locked state.

In this embodiment, the back of the front shell 1 is further provided with a limiting step 11 protruding on the side edge of the side of the connecting seat 4 where the clamping gap 6 is provided, and when the connecting rib 5 is matched in the clamping gap 6, a limiting fit is formed between the limiting step 11 and the connecting rib 5 to prevent the connecting rib from being separated from the clamping gap 6.

In the use process of the embodiment, besides the locking structure acts between the front shell 1 and the rear cover 3 to prevent the connection rib 5 from being separated from the clamping notch 6, the limit step 11 and the connection rib 5 are in limit fit, and also play a role in preventing the connection rib 5 from being separated from the clamping notch 6.

In this embodiment, the front shell 1 is further provided with a plurality of screw holes 12 through which screws pass, so that the front shell 1 can be connected to a wall surface or a table top through the screws, and a baffle ring 13 is further connected to the front side of the front shell 1, and the baffle ring 13 shields the screw holes 12.

In the use process of the embodiment, when the control box shell is mounted on a wall surface or a table top, the front shell 1 without the baffle ring 13 connected with the rear cover 3 connected with the front shell 1 is firstly abutted on the wall surface or the table top, then the screw passes through the screw hole 12 and is screwed on the wall surface or the table top, so that the front shell 1 and the rear cover 3 are fixed on the wall surface or the table top under the action of the screw, and then the baffle ring 13 is connected with the front shell 1 to cover the screw hole 12.

In this embodiment, a connection hole 14 is formed on the front side of the front housing 1, a connection claw 15 is protruding from the rear side of the baffle ring 13, the connection hole 14 includes an insertion section 16 and an interference section 17, an interference rib 18 is protruding from the connection hole 14 at the interference section 17, when the baffle ring 13 is connected to the front housing 1, the connection claw 15 is inserted into the connection hole 14 through the insertion section 16, and the connection claw 15 is moved from the insertion section 16 to the interference section 17 by rotating the baffle ring 13 relative to the front housing 1, so that the connection claw 15 and the interference rib 18 form an interference fit.

In this embodiment, the connection hole 14 is correspondingly formed at the connection seat 4, and the connection hole 14 penetrates the connection seat 4.

The mounting and dismounting modes of the embodiment are as follows: in the assembly and installation process of the control box shell, firstly, a locking groove 8 on a rear cover 3 is aligned with a locking bead 7 on a front shell 1, then the rear cover 3 and the front shell 1 are buckled together, as interference can be generated between a connecting rib 5 and a connecting seat 4 in the buckling process of the rear cover 3 and the front shell, the rear cover 3 and the front shell 1 can be rotated relatively by a small amplitude before buckling in place, the connecting rib 5 can be displaced to avoid the connecting seat 4, and after the front shell 1 and the rear cover 3 are completely buckled, the connecting rib 5 is positioned on the side edge of the connecting seat 4, which is provided with a clamping notch 6, then the rear cover 3 can be rotated with force relative to the front shell 1, the connecting rib 5 moves towards the direction of the clamping notch 6, and finally the connecting rib 5 spans a limiting step 11 and is clamped and matched into the clamping notch 6, the locking groove 8 moves along with the locking bead 7 to coincide with the position of the locking bead 7, the locking bead 7 forms interference fit with the locking groove 8 under the action of the locking spring 10, at this time, the front shell 1 and the rear cover 3 of the control box shell are connected, then the front shell 1 and the rear cover 3 can be fixed on a wall surface or a table top together by using a screw, finally the connecting claw 15 on the baffle ring 13 is aligned with the inserting section 16 of the connecting hole 14 on the front shell 1, the baffle ring 13 is buckled on the front shell 1, and then the baffle ring 13 is rotated to enable the connecting claw 15 on the baffle ring 13 to move from the inserting section 16 in the connecting hole 14 to the interference section 17 and form fit with the interference rib 18, so that the connection between the baffle ring 13 and the front shell 1 is completed.

In the disassembly process of the control box shell, the step opposite to the installation process is carried out according to the above steps, after the baffle ring 13 is firstly removed from the front shell 1, the front shell 1 and the rear cover 3 are removed from the wall surface or the table top through unscrewing screws, and then the rear cover 3 is forcefully rotated along the direction that the connecting ribs 5 are separated from the clamping notch 6, so that the locking beads 7 are retracted into the scarf joint grooves 9 against the action of the locking springs 10, the interference fit between the locking beads 7 and the locking grooves 8 is released, the connecting ribs 5 are further smoothly separated from the clamping notch 6, and finally the rear cover 3 and the front shell 1 can be separated.

The advantages of this embodiment are: the control box shell is very simple, convenient and quick to install and detach while ensuring firm connection.

The above-described embodiments are provided for illustration only and not for limitation of the present utility model, and modifications may be made to the embodiments without creative contribution by those skilled in the art after reading the present specification, as long as they are protected by patent laws within the scope of claims of the present utility model.

Claims (8)

1. A lift table control box housing convenient to disassemble and assemble comprises:

a front shell (1) provided with a plurality of key holes (2);

a rear cover (3) which is provided on the rear side of the front case (1);

it is characterized in that the method also comprises the following steps:

the connecting structure comprises a plurality of connecting seats (4) protruding to the rear side of the front shell (1) and a plurality of connecting ribs (5) protruding to the peripheral side of the rear cover (3), wherein a clamping gap (6) is formed in one side of the connecting seats (4), the front shell (1) and the rear cover (3) can relatively rotate, and the connecting ribs (5) can be clamped and matched into the clamping gaps (6) of the connecting seats (4) along with the relative rotation between the front shell (1) and the rear cover, or the matching between the connecting ribs (5) and the clamping gaps (6) is released;

a locking structure arranged between the front shell (1) and the rear cover (3), and at least provided with a locking state and an unlocking state;

when the locking structure is in a locking state, the locking structure acts between the front shell (1) and the rear cover (3), so that relative rotation between the front shell (1) and the rear cover (3) is blocked;

when the locking structure is in an unlocked state, the action of the locking structure on the front shell (1) and the rear cover (3) is released, so that the blocking of the relative rotation between the front shell (1) and the rear cover (3) is contacted.

2. The lift table control box housing of claim 1, wherein: when the connecting ribs (5) are in clamping fit into the clamping gaps (6) through relative rotation between the front shell (1) and the rear cover (3), the locking structure is switched from an unlocking state to a locking state; when the front shell (1) and the rear cover (3) rotate relatively to enable the connecting ribs (5) to be separated from the clamping notch (6), the locking structure is switched from a locking state to an unlocking state.

3. The lift table control box housing of claim 2, wherein: the locking structure comprises a locking bead (7) embedded on the front shell (1) and a locking groove (8) formed in the rear cover (3), wherein an embedding groove (9) for embedding the locking bead (7) is formed in the front shell (1), a locking spring (10) is further arranged in the embedding groove (9) in a penetrating mode, the locking spring (10) acts between the front shell (1) and the locking bead (7), and the upper end of the locking bead (7) is exposed at the notch of the embedding groove (9) under the action of the locking spring (10) and forms interference fit with the locking groove (8).

4. A lift table control box housing of claim 3, wherein: the rear cover (3) can generate a rotating movement trend relative to the front shell (1) under external acting force, and the acting force also has a threshold value; in the process that the rear cover (3) rotates relative to the front shell (1) under external force to enable the connecting rib (5) to be separated from the clamping notch (6):

when the acting force applied to the rear cover (3) is larger than the threshold value, the locking beads (7) are pushed by the wall of the locking groove (8) to retract into the embedded grooves (9) against the action of the locking springs (10), so that the interference fit between the locking beads (7) and the locking groove (8) is released, and the locking structure is switched from a locking state to an unlocking state;

when the force applied to the rear cover (3) is smaller than the threshold value, the pushing of the groove wall of the locking groove (8) to the locking bead (7) is insufficient to overcome the action of the locking spring (10), so that the locking structure maintains the locking state.

5. The lift table control box housing of claim 1, wherein: the back of preceding shell (1), be located still protruding spacing step (11) that is equipped with on the side of joint breach (6) one side is seted up to connecting seat (4), work as connecting muscle (5) cooperation is in joint breach (6), form spacing cooperation in order to prevent it from break away from in joint breach (6) between spacing step (11) and connecting muscle (5).

6. The lift table control box housing of claim 1, wherein: the front shell (1) is further provided with a plurality of screw holes (12) through which screws pass, so that the front shell (1) can be connected to a wall surface or a table top through the screws, the front side of the front shell (1) is further connected with a baffle ring (13), and the baffle ring (13) shields the screw holes (12).

7. The easy-to-assemble and disassemble lifting table control box shell of claim 6, wherein: a connecting hole (14) is formed in the front side of the front shell (1), a connecting claw (15) is convexly arranged on the rear side of the baffle ring (13), the connecting hole (14) comprises an inserting section (16) and an interference section (17), an interference rib (18) is convexly arranged at the position of the interference section (17) of the connecting hole (14), when the baffle ring (13) is connected to the front shell (1), the connecting claw (15) is in plug-in fit with the connecting hole (14) through the inserting section (16), and the baffle ring (13) is rotated relative to the front shell (1) to enable the connecting claw (15) to move from the inserting section (16) to the interference section (17), so that interference fit between the connecting claw (15) and the interference rib (18) is formed.

8. The easy-to-assemble and disassemble lifting table control box shell of claim 7, wherein: the connecting holes (14) are correspondingly formed in the connecting seat (4), and the connecting holes (14) penetrate through the connecting seat (4).