CN222680835U - Push type self-locking screw screwing device - Google Patents

Abstract

The utility model provides a push-type self-locking screw driver, comprising a handle, a connecting rod fixedly connected to the side end of the handle, a screw head detachably connected to the end of the connecting rod away from the handle, the screw head detachably connected to the screw, and a slot hole is symmetrically excavated on the side wall of the screw head, and a clamping block is slidably connected in the slot hole, so that when the screw to be screwed is too small, the clamping plate above will also be proportionally reduced, and it is impossible to hold it by hand. At this time, the two clamping plates can be clamped by tweezers and squeezed against each other to complete the contraction of the clamping block, and the shapes of the clamping slot and the screw head can be circular or different equilateral shapes. As long as the clamping slot and the screw head are consistent and matched, the same self-locking method can be used, and when screws of different sizes and models are screwed, a screw head matching them can be selected to be fixed by threaded shaft and screw hole for use, thereby achieving an effect of being replaceable according to needs.

Description

Push type self-locking screw screwing device

Technical Field

The utility model relates to a push type self-locking screw screwing device, and belongs to the technical field of screwing devices.

Background

The screw refers to a screw, which is a tool for fastening a machine part step by utilizing the physical and mathematical principles of the inclined plane circular rotation and friction force of an object. The screw is the general way of speaking of fastener, and daily spoken language, during construction, all need use the plank, but general plank all needs two to link together, then need use the screw to connect, at present, people all hold the screwdriver, and the other hand holds the screw, constantly twists the screwdriver again and tightens the screw.

Chinese patent CN213616400U specification discloses a screw device of terminal box, screw device includes the handle and locates the motor in the handle, the fixed output in end of motor has the chuck, it still has one to twist bolt and a set of head, twist bolt cover through a set of head ascending and carry out rotatory access to twist bolt, and then the screw cover of the downward screw cover of set head is fixed a position the screw, make to twist bolt cover and screw cover link up, and the central line L that forms makes to twist bolt and screw top accuracy to be on, can the screw of less screw or the less hole site on the efficient installation terminal box, not only installation effectiveness is high and the tightness is stronger.

At present, people hold the screw by hand and hold the screw by the other hand, and then continuously twist the screw to screw the screw for a long time, so that the subsequent working efficiency is affected by the pain of the hands of people.

For this purpose, a push-type self-locking screw driver is proposed.

Disclosure of utility model

In view of the foregoing, the present utility model provides a push-type self-locking screw driver to solve or alleviate the technical problems of the prior art, and at least provides a beneficial choice.

The technical scheme is that the pushing type self-locking screw screwing device comprises a handle, wherein a connecting rod is fixedly connected to the side end of the handle, a screwing head is detachably connected to one end, away from the handle, of the connecting rod, a screw is detachably connected to the screwing head, slotted holes are symmetrically formed in the side wall of the screwing head, clamping blocks are connected in a sliding mode in the slotted holes, a compression spring is fixedly connected between the two clamping blocks, a screwing groove is formed in one end, close to the screwing head, of the screw, a clamping groove corresponding to the clamping block is symmetrically formed in the inner wall of the screwing groove, and the clamping block is clamped with the clamping groove.

Further preferably, a screw hole is cut at one end of the connecting rod close to the screwing head, a threaded shaft is fixedly connected to one end of the screwing head close to the screw hole, and the threaded shaft is in threaded connection with the screw hole.

Further preferably, a chute is cut on the screwing head above the threaded shaft, clamping plates are symmetrically and slidingly connected in the chute, and the clamping plates are fixedly connected with the side wall of the clamping block, which is close to the compression spring.

Further preferably, a tweezer is arranged on the side of the screwing head, and the tweezer is clamped with the clamping plate.

Further preferably, the handle surface is sleeved with a connecting rod, and the protective sleeve is made of a silica gel anti-slip material.

Further preferably, the screwing head and the screwing groove are designed in various shapes, and the screwing head is matched with the screwing groove.

Further preferably, the length of the chute is equal to the length of the compression spring in the non-compression state, and the slot hole is communicated with the chute.

By adopting the technical scheme, the embodiment of the utility model has the following advantages:

1. When the screw is screwed and mounted by using the screwing device, the screwing head and the mounting device can be held by hands to be mutually extruded after being fixed, the compression springs are compressed to drive the two clamping blocks to be retracted into the slotted holes, at the moment, the screwing head can be inserted into the screwing groove, the clamping plates are released after the screwing head is inserted, the clamping blocks are automatically clamped into the clamping grooves to be clamped by the elasticity of the compression springs, so that the screwing head is positioned, at the moment, the screw can be screwed by a single hand without holding the screw by using a handle, and the effect that the screwing device can be inserted into the screw to be positioned in a self-locking manner is effectively achieved.

2. When the screw is too small, the clamping plates are reduced in proportion, the clamping plates cannot be held by hand, the clamping plates can be clamped by the forceps and then mutually extruded to finish the contraction of the clamping block, the clamping grooves and the screwing heads can be round or different equilateral shapes, the clamping grooves and the screwing heads can be matched uniformly in the same self-locking mode, and the screwing heads matched with the clamping grooves and the screwing heads can be fixed by screw shafts and screw holes for use when screws of different sizes are screwed, so that the effect of changing according to requirements is achieved.

The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic view of a screw driver according to the present utility model;

FIG. 2 is a schematic view of the screw head and screw mounting structure of the present utility model;

FIG. 3 is a schematic view of a screwing head structure of the present utility model;

Fig. 4 is a schematic diagram of a latch structure according to the present utility model.

The device comprises a handle, a protective sleeve, a connecting rod, a screw hole, a screw 5, a screwing head, a screw 6, a screw 7, a clamping block, a screw shaft 8, a screw 9, a screwing groove 10, a clamping groove 11, a forceps clip 12, a slot hole 13, a chute 14, a clamping plate 15 and a compression spring.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-4, the embodiment of the utility model provides a push type self-locking screw screwing device, which comprises a handle 1, wherein a connecting rod 3 is fixedly connected to the side end of the handle 1, a screwing head 5 is detachably connected to one end of the connecting rod 3 far away from the handle 1, a screw 6 is detachably connected to the screwing head 5, slotted holes 12 are symmetrically cut on the side wall of the screwing head 5, clamping blocks 7 are slidably connected in the slotted holes 12, a compression spring 15 is fixedly connected between the two clamping blocks 7, a screwing groove 9 is cut on one end, close to the screwing head 5, of the screw 6, clamping grooves 10 corresponding to the clamping blocks 7 are symmetrically cut on the inner wall of the screwing groove 9, the clamping blocks 7 are clamped with the clamping grooves 10, the length of a sliding groove 13 is equal to that of the compression spring 15 in a non-extrusion state, and the slotted holes 12 are communicated with the sliding grooves 13.

This scheme can realize, when using the ware of screwing in to screw 6 screw up the installation, can be with screw up head 5 and installation fixed back, hold two splint 14 mutual extrusions, thereby with compression spring 15 compression drive two fixture blocks 7 receive to the slotted hole 12 in, at this moment can insert screw up head 5 and screw up inslot 9, wait to insert the back and release splint 14 again, the fixture block 7 is through the automatic block of compression spring 15 elasticity into draw-in groove 10 interior block, thereby to screw up head 5 location, at this moment can screw up screw 6 by one hand handle 1 without holding screw 6, effectually reach the effect that can auto-lock location in will screwing in ware insert screw 6.

Example 2

As shown in fig. 1-3, a screw hole 4 is cut at one end of the connecting rod 3 near the screwing head 5, a threaded shaft 8 is fixedly connected to one end of the screwing head 5 near the screw hole 4, the threaded shaft 8 is in threaded connection with the screw hole 4, a sliding groove 13 is cut on the screwing head 5 above the threaded shaft 8, clamping plates 14 are symmetrically and slidably connected in the sliding groove 13, the clamping plates 14 are fixedly connected with the clamping blocks 7 near the side wall of the compression spring 15, tweezers 11 are placed on the side edge of the screwing head 5, the tweezers 11 are clamped with the clamping plates 14, the connecting rod 3 is sleeved on the surface of the handle 1, the protective sleeve 2 is made of silica gel anti-skid materials, the screwing head 5 and the screwing groove 9 are of various shapes, and the screwing head 5 is matched with the screwing groove 9.

The scheme can be realized, when the screw 6 of screwing is too small, the clamping plates 14 above also reduce the proportion equally, at this moment, the two clamping plates 14 can not be held by hand, at this moment, the clamping blocks 7 can be contracted by mutually extruding after being clamped by the tweezer 11, the clamping grooves 10 and the screwing heads 5 can be circular or different equilateral shapes, and the same self-locking mode can be used as long as the clamping grooves 10 and the screwing heads 5 keep consistent and matched, and simultaneously, when the screws 6 of different sizes and models are screwed, the screwing heads 5 which are matched with the clamping grooves can be selected to be used through the threaded shafts 8 and the threaded holes 4 in a threaded manner, so that the effect of changing according to requirements is achieved.

When the screw 6 is screwed and installed by using the screwing device, the screwing head 5 and the screw 6 can be mutually pressed by holding the two clamping plates 14 after being fixed, the compression springs 15 are compressed to drive the two clamping blocks 7 to be retracted into the slotted holes 12, the screwing head 5 can be inserted into the screwing groove 9, the clamping plates 14 are released after the screwing head is inserted, the clamping blocks 7 are automatically clamped into the clamping grooves 10 to be clamped by the elasticity of the compression springs 15, so that the screwing head 5 is positioned, and the screw 6 can be screwed by one-hand screwing of the handle 1 without holding the screw 6, so that the effect of self-locking positioning of the screwing device inserted into the screw 6 is effectively achieved.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (7)

1. The pushing type self-locking screw screwing device is characterized by comprising a handle (1), wherein a connecting rod (3) is fixedly connected to the side end of the handle (1), a screwing head (5) is detachably connected to one end, far away from the handle (1), of the connecting rod (3), a screw (6) is detachably connected to the screwing head (5), slotted holes (12) are symmetrically cut in the side wall of the screwing head (5), a clamping block (7) is slidably connected in the slotted holes (12), a compression spring (15) is fixedly connected between the two clamping blocks (7), a screwing groove (9) is cut in the end, close to the screwing head (5), of the screw (6), a clamping groove (10) corresponding to the clamping block (7) is symmetrically cut in the inner wall of the screwing groove (9), and the clamping block (7) is clamped with the clamping groove (10).

2. The pushing type self-locking screw screwing device according to claim 1, wherein a screw hole (4) is formed in one end, close to the screwing head (5), of the connecting rod (3), a threaded shaft (8) is fixedly connected to one end, close to the screw hole (4), of the screwing head (5), and the threaded shaft (8) is in threaded connection with the screw hole (4).

3. The pushing type self-locking screw screwing device according to claim 2 is characterized in that a chute (13) is cut on the screwing head (5) above the threaded shaft (8), clamping plates (14) are symmetrically and slidingly connected in the chute (13), and the clamping plates (14) are fixedly connected with the side wall of the clamping block (7) close to the compression spring (15).

4. The pushing type self-locking screw screwing device according to claim 1, wherein a tweezer clamp (11) is arranged on the side edge of the screwing head (5), and the tweezer clamp (11) is clamped with a clamping plate (14).

5. The pushing type self-locking screw screwing device as claimed in claim 1, wherein the connecting rod (3) is sleeved on the surface of the handle (1), and the protecting sleeve (2) is made of a silica gel anti-slip material.

6. The pushing type self-locking screw screwing device according to claim 1, wherein the screwing head (5) and the screwing groove (9) are designed in various shapes, and the screwing head (5) is matched with the screwing groove (9).

7. A push type self-locking screw driver according to claim 3, wherein the length of the chute (13) is equal to the length of the compression spring (15) in the non-compressed state, and the slot (12) is communicated with the chute (13).