CN219432374U - Novel dustproof device for screw rod - Google Patents

Abstract

The utility model discloses a novel dustproof device for a screw rod, and belongs to the technical field of screw rod dustproof. The utility model comprises a shell, wherein two ends of the shell are respectively provided with a cavity, a screw rod is rotationally connected inside the shell, a movable seat is in threaded connection with the screw rod, two side surfaces of the movable seat are in threaded connection with a mounting plate, one surface of the mounting plate is fixedly connected with a dust cover, the center of the shell is provided with a movable groove, two side surfaces of the movable groove are respectively provided with an extension groove, the bottom end of the extension groove is provided with a limit groove, two side surfaces of the mounting plate are fixedly connected with extension sleeves, the bottom end of each extension sleeve is fixedly connected with a limit block, and the extension sleeves and the limit blocks are respectively matched with the extension groove and the limit groove in size and are in sliding fit. According to the utility model, the extension groove is formed, and when the anti-dust cover is used, the two sides of the anti-dust cover extend into the extension groove, so that the anti-dust cover is in a U-shaped structure, and when the movable seat moves, the two sides of the anti-dust cover move in the shell, so that the shell is completely sealed, dust is prevented from entering from the joint between the side surface of the anti-dust cover and the shell, and the anti-dust effect is better.

Description

Novel dustproof device for screw rod

Technical Field

The utility model belongs to the technical field of lead screw dust prevention, and particularly relates to a novel lead screw dust prevention device.

Background

With the progress of industrial processing technology, there is a higher dustproof requirement for the common component of the screw rod, so that the service life of the screw rod is prolonged, the screw rod is prevented from being damaged, and the screw rod is usually protected by a screw rod dustproof sleeve.

The Chinese patent with the publication number of CN209856323U discloses a lead screw dustproof device, which comprises a shell, a screw rod and a nut slider, wherein the shell is a cavity with one surface open, a guide rail is arranged in the shell, the screw rod is arranged in the shell in a penetrating way, the nut slider is arranged in the shell, the nut slider is in threaded connection with the screw rod, the nut slider is in sliding connection with the shell through the guide rail, two ends of the shell are symmetrically provided with a cavity, a scroll shaft is arranged in the cavity, a scroll spring is arranged on the scroll shaft, a dustproof belt is arranged on the scroll spring, the other end of the dustproof belt is arranged on the nut slider, an opening for the dustproof belt to pull out is formed in the cavity, the actual stroke of the lead screw can be increased, the occupation of a dustproof sleeve is reduced, a gap is reserved between two sides of the dustproof sleeve and the shell, dust can enter from the gap, and the dustproof effect is poor.

Disclosure of Invention

The utility model aims to provide a novel dustproof device for a screw rod, which solves the problem that dust in the prior art can enter from a gap and has poor dustproof effect.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a novel lead screw dustproof device which comprises a shell, wherein cavities are formed in two ends of the shell, a lead screw is rotatably connected to the inside of the shell, a movable seat is connected with the lead screw through threads, mounting plates are connected to two side surfaces of the movable seat through threads, a dustproof cover is fixedly connected to one surface of each mounting plate, a movable groove is formed in the center of the shell, extension grooves are formed in two side surfaces of each movable groove, limit grooves are formed in the bottoms of the extension grooves, extension sleeves are fixedly connected to two side surfaces of each mounting plate, limit blocks are fixedly connected to the bottoms of the extension sleeves, and the extension sleeves and the limit blocks are matched with the extension grooves and the limit grooves in size and are in sliding fit.

Preferably, the extension groove is an L-shaped groove body, and both sides of the dust cover are matched with the extension groove in size and are in sliding fit.

Preferably, the chamber is internally provided with a containing groove, and the surface of the containing groove, which is close to the movable seat, is provided with a communicating groove.

Preferably, the dust cover is collapsible material, dust cover and holding tank looks adaptation, the size in intercommunication groove and dust cover size phase-match.

Preferably, the communication groove is respectively communicated with the accommodating groove and the extending groove, and the communication groove is a U-shaped groove.

Preferably, one end of the dust cover is fixedly connected with the surface of the containing groove far away from the movable seat, and the other end of the dust cover is fixedly connected with the mounting plate.

Preferably, both sides of the dust cover extend into the extending groove, and the extending cover and the limiting block are made of hard materials.

The utility model has the following beneficial effects:

1. according to the utility model, the extension groove and the limit groove are formed, so that the two sides of the dust cover extend into the extension groove when the dust cover is in a U-shaped structure, and the two sides of the dust cover move in the shell when the movable seat moves, so that the shell is completely closed, dust is prevented from entering from the joint of the side surface of the dust cover and the shell, and the dust prevention effect is better.

2. According to the utility model, the extension sleeve and the limiting block are arranged, when the anti-dust device is used, the extension sleeve moves along the extension groove, the limiting block moves along the limiting groove, the thickness of the limiting block is the same as that of the mounting plate, and one end of the anti-dust sleeve is fixed on the extension sleeve, so that the anti-dust sleeve in the extension groove is driven to move, the anti-dust sleeve is prevented from being wrinkled or moving asynchronously, and the moving effect is maintained.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a novel dust-proof device for screw rods;

FIG. 2 is a top view of a novel lead screw dust keeper of the present utility model;

FIG. 3 is a schematic cross-sectional view of a limiting groove of the novel lead screw dustproof device;

fig. 4 is a schematic sectional view of a receiving groove of the novel dustproof device for a screw rod.

In the drawings, the list of components represented by the various numbers is as follows: 1. a housing; 2. a mounting plate; 3. a dust cover; 101. a chamber; 102. a motor; 103. a screw rod; 104. a movable seat; 105. an extension groove; 106. a limit groove; 107. a receiving groove; 108. a communication groove; 201. a threaded hole; 202. an extension sleeve; 203. and a limiting block.

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.

In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-4, the utility model discloses a novel lead screw dustproof device, which comprises a housing 1, wherein cavities 101 are respectively arranged at two ends of the housing 1, a lead screw 103 is rotatably connected in the housing 1, a movable seat 104 is in threaded connection with the lead screw 103, mounting plates 2 are in threaded connection with two side surfaces of the movable seat 104, a dustproof cover 3 is fixedly connected to one surface of the mounting plates 2, a movable groove is arranged in the center of the housing 1, extension grooves 105 are respectively formed in two side surfaces of the movable groove, a limit groove 106 is formed in the bottom end of the extension groove 105, extension sleeves 202 are fixedly connected to two side surfaces of the mounting plates 2, limit blocks 203 are fixedly connected to the bottom end of the extension sleeve 202, and the extension sleeves 202 and the limit blocks 203 are respectively matched with the extension grooves 105 and the limit grooves 106 in size and are in sliding fit.

During use, two sides of the two mounting plates 2 are connected with the dust-proof cover 3, the mounting plates 2 are connected with the movable seat 104 through threaded holes 201 formed in the surfaces, the movable seat 104 drives the mounting plates 2 to move synchronously when moving along the screw rod 103, the extending sleeve 202 and the limiting block 203 of the mounting plates 2 move along the extending groove 105 and the limiting groove 106, the dust-proof cover 3 on one side of the movable seat 104 is pulled out of the accommodating groove 107 when moving, the dust-proof cover 3 on the other side is pressed into the accommodating groove 107, and as the two sides of the dust-proof cover 3 extend into the extending groove 105, dust can be effectively prevented from entering the inside from a gap between the dust-proof cover 3 and the shell 1, and the dust-proof effect is better.

The extension groove 105 is L-shaped cell body, the extension groove 105 is seted up inside shell 1, shell 1 one end is equipped with motor 102 and is used for driving lead screw 103, lead screw 103 position is central, holding tank 107 sets up on lead screw 103, lower, dust cover 3 both sides face all with extension groove 105 size assorted and sliding fit, dust cover 3 can remove at extension groove 105, holding tank 107 has been seted up to the inside cavity 101, holding tank 107 is used for holding the dust cover 3 that does not pull out, the surface that holding tank 107 is close to movable seat 104 has seted up intercommunication groove 108, intercommunication groove 108 is the same with dust cover 3 thickness, can prevent dust cover 3 once only be pulled out too much when pulling out dust cover 3, dust cover 3 is collapsible material, fold in holding tank 107 when accomodating, expand when pulling out, dust cover 3 and holding tank 107 looks adaptation, dust cover 3 is soft material, the size of intercommunication groove 108 and dust cover 3 size assorted, intercommunication groove 108 is linked together with holding tank 107 and extension groove 105 respectively, intercommunication groove 108 is used for making dust cover 3 can be from holding tank 107, the recess 107 pull out, the surface that is close to movable seat 104, the stopper 203 is fixed to be stretched out with the fixed connection of both sides of the fixed mounting panel 202, the both sides of dust cover 3, it is difficult to extend to stretch out to be 3, the fixed connection 202, the both sides of the side is used for the stopper is extended to extend 202, and the fixed to extend the side is used for connecting with the dust cover is kept away from the side of the end of dust cover 3, and is 203.

The working principle of the utility model is as follows: when the movable seat 104 moves, the mounting plates 2 on two sides of the movable seat 104 pull out the dust cover 3 from the accommodating groove 107, so that the dust cover 3 always covers the screw rod 103 structure, and as the two sides of the dust cover 3 extend into the extending groove 105, the dust cover 3 can completely seal the screw rod 103 structure, no gap exists between the dust cover 3 and the shell 1, and dust cannot enter the inside.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (7)

1. The utility model provides a novel dust keeper of lead screw, includes shell (1), shell (1) both ends all are equipped with cavity (101), shell (1) inside rotation is connected with lead screw (103), lead screw (103) threaded connection has removes seat (104), remove seat (104) both sides face threaded connection has mounting panel (2), a fixed surface of mounting panel (2) is connected with dirt proof boot (3), its characterized in that:

the shell (1) is centrally provided with a moving groove, two side surfaces of the moving groove are respectively provided with an extending groove (105), the bottom end of the extending groove (105) is provided with a limiting groove (106), two side surfaces of the mounting plate (2) are fixedly connected with an extending sleeve (202), the bottom end of the extending sleeve (202) is fixedly connected with a limiting block (203), and the extending sleeve (202) and the limiting block (203) are respectively matched with the extending groove (105) and the limiting groove (106) in size and are in sliding fit.

2. The novel lead screw dustproof device according to claim 1, wherein the extension groove (105) is an L-shaped groove body, and two side surfaces of the dustproof sleeve (3) are matched with the extension groove (105) in size and are in sliding fit.

3. The novel dustproof device for the screw rod according to claim 2, wherein a containing groove (107) is formed in the chamber (101), and a communicating groove (108) is formed in the surface, close to the moving seat (104), of the containing groove (107).

4. A novel dustproof device for a screw rod according to claim 3, wherein the dustproof sleeve (3) is made of a foldable material, the dustproof sleeve (3) is matched with the accommodating groove (107), and the size of the communicating groove (108) is matched with the size of the dustproof sleeve (3).

5. The novel dustproof device for the screw rod according to claim 4, wherein the communication groove (108) is respectively communicated with the accommodating groove (107) and the extension groove (105), and the communication groove (108) is a U-shaped groove.

6. The novel dustproof device for the screw rod according to claim 5, wherein one end of the dustproof sleeve (3) is fixedly connected with the surface of the containing groove (107) far away from the movable seat (104), and the other end of the dustproof sleeve (3) is fixedly connected with the mounting plate (2).

7. The novel dustproof device for the screw rod according to claim 6, wherein two sides of the dustproof sleeve (3) extend into the extension groove (105), and the extension sleeve (202) and the limiting block (203) are made of hard materials.