CN211231200U

CN211231200U - Fixed pin

Info

Publication number: CN211231200U
Application number: CN201921704274.3U
Authority: CN
Inventors: 陈可
Original assignee: Chengdu Hengchuangxing Technology Co ltd
Current assignee: Chengdu Hengchuangxing Technology Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-08-11
Anticipated expiration: 2029-10-12

Abstract

The utility model belongs to the technical field of the machine-building, a fixed pin is provided, including: remove supporting component and fixed subassembly, remove supporting component including: the first top plate is arranged above the second top plate, the first supporting plates are arranged on the left side and the right side of the first top plate, and the first springs are arranged below the first supporting plates; through having set up the roof, and the cooperation has backup pad and spring, can control the elongation of cover shell, and then can control the size of notch and control, through having set up the locating hole, can connect fixedly to the cover shell, prevent that the cover shell from taking place to slide, still through having set up the notch, can fix the work piece of unidimensional not, can be applicable to in the work occasion of difference, has very extensive suitability.

Description

Fixed pin

Technical Field

The utility model belongs to the technical field of the machine-building, concretely relates to fixed pin.

Background

The fixing pin is mainly used between screws fastened between two parts, ensures the position accuracy of a workpiece, is mainly used for assembly positioning, can also be used for overload shearing connection in a connection and release level safety device, and the like, and is widely applied to part machining and installation in various industries.

When the existing fixing pin is used, the size of the fixing pin is processed according to the size of a part fixed according to needs, only a certain part can be used singly, the applicability is not strong, the fixing pin is easy to damage a workpiece when the fixing pin is replaced back and forth, the service life of the fixing pin is also affected, and smooth processing and installation of the workpiece are not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixed pin to solve the existing fixed pin that proposes in the above-mentioned background art, all need the fixed part size as required to process the size of fixed pin, and can only be single use some parts, the suitability is not strong and be unfavorable for smooth processing and the installation problem of work piece.

In order to achieve the above object, the utility model provides a following technical scheme: a retaining pin comprising: remove supporting component and fixed subassembly, remove supporting component including: the supporting device comprises a first top plate, a first supporting plate, a second top plate, a second supporting plate, a first spring, a third top plate, a third supporting plate, a supporting column and a second spring, wherein the first top plate is arranged above the second top plate;

the fixed subassembly including: first cover shell, first locating hole, second cover shell and third cover shell, first cover shell top with the support column is connected, first locating hole with the second locating hole runs through first cover shell, second cover shell and third cover shell, the inside first notch that is provided with of first cover shell, the inside second notch that is provided with of second cover shell, the inside third notch that is provided with of third cover shell, the third cover shell is installed inside the second cover shell, the second cover shell is installed inside the first cover shell.

The utility model discloses it is preferred still to provide, be provided with the drill way on the second roof, be provided with the drill way on the third roof, the drill way diameter that sets up on the second roof is less than the drill way that sets up on the third roof.

The utility model discloses it is preferred still to provide, first spring with the second spring is in compression state when beginning.

The utility model discloses it is preferred still to provide, first bracing piece is installed to first roof below, first bracing piece runs through the second roof with the third roof, first bracing piece with third set shell is connected, the second bracing piece is installed to second roof below, the second bracing piece runs through the third roof, the bracing piece with the second set shell is connected.

The utility model discloses still provide preferred, first bracing piece with second roof and third roof are clearance fit, the second bracing piece the third roof is clearance fit.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a supporting the mating reaction of removing subassembly and fixed subassembly, can installing fixedly to not unidimensional work piece, no longer confine single fixed pin to correspond single work piece, the suitability improves greatly, the effectual existing fixed pin of having solved, the part size that all will fix as required is processed the size of fixed pin, and can only be single use some part, the suitability is not strong and be unfavorable for smooth processing and the installation problem of work piece.

2. Through having set up the roof, and the cooperation has backup pad and spring, can control the elongation of cover shell, and then can control the size of notch and control, through having set up the locating hole, can connect fixedly to the cover shell, prevent that the cover shell from taking place to slide, still through having set up the notch, can fix the work piece of unidimensional not, can be applicable to in the work occasion of difference, has very extensive suitability.

Drawings

Fig. 1 is a front view of the appearance structure of the present invention;

FIG. 2 is a side view of the external structure of the present invention;

FIG. 3 is a schematic bottom structure of the present invention;

fig. 4 is a bottom elevation view of the hand of the present invention.

In the figure: 1-supporting moving component, 11-first top plate, 12-first supporting plate, 13-second top plate, 14-second supporting plate, 15-first spring, 16-third top plate, 17-third supporting plate, 18-supporting column, 19-second spring, 2-fixing component, 21-first sleeve, 22-first positioning hole, 23-second positioning hole, 24-second sleeve and 25-third sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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 invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution: a retaining pin comprising: remove supporting component 1 and fixed subassembly 2, remove supporting component 1 including: the supporting structure comprises a first top plate 11, a first supporting plate 12, a second top plate 13, a second supporting plate 14, a first spring 15, a third top plate 16, a third supporting plate 17, a supporting column 18 and a second spring 19, wherein the first top plate 11 is arranged above the second top plate 13, the first supporting plate 12 is arranged on the left side and the right side of the first top plate 11, the first spring 15 is arranged below the first supporting plate 12, the second supporting plate 14 is arranged on the left side and the right side of the second top plate 13, the second spring 19 is arranged below the second supporting plate 14, the second top plate 13 is arranged above the third top plate 16, the third supporting plate 17 is arranged on the left side and the right side of the third top plate 16, and the supporting column 18 is arranged below the third supporting plate 17; the fixing component 2 comprises: the first sleeve 21, the first positioning hole 22, the second positioning hole 23, the second sleeve 24 and the third sleeve 25, the upper portion of the first sleeve 21 is connected to the supporting column 18, the first positioning hole 22 and the second positioning hole 23 penetrate through the first sleeve 21, the second sleeve 24 and the third sleeve 25, the first slot is formed in the first sleeve 21, the second slot is formed in the second sleeve 24, the third slot is formed in the third sleeve 25, the third sleeve 25 is mounted in the second sleeve 24, the second sleeve 24 is mounted in the first sleeve 21, the third sleeve 25 is arranged, the workpiece to be mounted and fixed can be fixed after one end of the workpiece is inserted into the third slot, when the second sleeve 24 is used, the first top plate 11 is pulled upwards, at this time, the first spring 15 is in a stretching state, the first support rod is driven under the action of the first top plate 11, the third sleeve 25 is pulled up downwards, then the third sleeve 25 is fixed by the first positioning hole 22 or the second positioning hole 23, at this time, the workpiece can be fixed by the second notch on the second sleeve 24, when the first sleeve is needed, 21 is pulled up the second top plate 13, the second spring 19 is in a stretching state, the first spring 15 is in a compressing state, under the action of the second top plate 13, the second top plate 13 is driven to move upwards, and then the second sleeve 24 is driven to move upwards, at this time, the workpiece can be installed and fixed by the first sleeve 21, then the second sleeve 24 is fixed by the first positioning hole 22 or the second positioning hole 23, after use, the insertion columns on the first positioning hole 22 or the second positioning hole 23 are taken out, the third and

second housings

25, 24 are reset by the action of a spring, the second top plate 13 is provided with an opening, the third top plate 16 is provided with an opening, the diameter of the opening provided on the second top plate 13 is smaller than that of the opening provided on the third top plate 16, the first spring 15 and the second spring 19 are initially in a compressed state, a first support rod is mounted below the first top plate 11, the first supporting rod penetrates through the second top plate 13 and the third top plate 16, the first supporting rod is connected with the third casing 25, a second supporting rod is arranged below the second top plate 13, the second supporting rod penetrates through the third top plate 16, the second supporting rod is connected with the second casing 24, the first supporting rod is in clearance fit with the second top plate 13 and the third top plate 16, and the second supporting rod is in clearance fit with the third top plate 16.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the third sleeve 25 is arranged, the third sleeve 25 is internally provided with a third notch, one end of a workpiece is inserted into the third notch, the workpiece to be installed and fixed can be fixed, when the second sleeve 24 is needed, the first top plate 11 is pulled upwards, the first spring 15 is in a stretching state, the first supporting rod is driven under the action of the first top plate 11, the third sleeve 25 is pulled downwards, then the third sleeve 25 is fixed by utilizing the first positioning hole 22 or the second positioning hole 23, the workpiece can be fixed by utilizing the second notch on the second sleeve 24, when the first sleeve 21 is needed, the second top plate 13 is pulled upwards, the second spring 19 is in a stretching state, the first spring 15 is in a compressing state, the second top plate 13 is driven to move upwards under the action of the second top plate 13, and then drive second set of shell 24 rebound, at this moment, can utilize first cover shell 21 to install the work piece fixedly, then utilize first locating hole 22 or second locating hole 23 to fix second set of shell 24, use the back, take out the grafting post on first locating, 22 or the second locating hole 23, third set of shell 25 and second set of shell 24 reset under the effect of spring.

To sum up, the utility model discloses a supporting the mating reaction of removing subassembly 1 and fixed subassembly 2, can installing fixedly to not unidimensional work piece, no longer confine single fixed pin to correspond single work piece, the suitability improves greatly, the effectual existing fixed pin of having solved, the part size that all will fix as required is processed the size of fixed pin, and can only be single use some part, the suitability is not strong and be unfavorable for smooth processing and the installation problem of work piece.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A retaining pin, characterized by: comprises the following steps: remove supporting component (1) and fixed subassembly (2), remove supporting component (1) including: a first top plate (11), a first supporting plate (12), a second top plate (13), a second supporting plate (14), a first spring (15), a third top plate (16), a third supporting plate (17), a supporting column (18) and a second spring (19), the first top plate (11) is arranged above the second top plate (13), the left side and the right side of the first top plate (11) are provided with the first supporting plates (12), the first spring (15) is arranged below the first supporting plate (12), second supporting plates (14) are arranged at the left side and the right side of the second top plate (13), the second spring (19) is arranged below the second supporting plate (14), the second top plate (13) is arranged above the third top plate (16), the left side and the right side of the third top plate (16) are provided with the third supporting plates (17), the supporting column (18) is arranged below the third supporting plate (17);

the fixing component (2) comprises: the novel support column is characterized by comprising a first sleeve (21), a first positioning hole (22), a second positioning hole (23), a second sleeve (24) and a third sleeve (25), wherein the first sleeve (21) is connected with the support column (18) through the upper portion, the first positioning hole (22) and the second positioning hole (23) penetrate through the first sleeve (21), the second sleeve (24) and the third sleeve (25), a first notch is formed in the first sleeve (21), a second notch is formed in the second sleeve (24), a third notch is formed in the third sleeve (25), the third sleeve (25) is installed in the second sleeve (24), and the second sleeve (24) is installed in the first sleeve (21).

2. A retaining pin according to claim 1, characterised in that: the second top plate (13) is provided with an orifice, the third top plate (16) is provided with an orifice, and the diameter of the orifice arranged on the second top plate (13) is smaller than that of the orifice arranged on the third top plate (16).

3. A retaining pin according to claim 1, characterised in that: the first spring (15) and the second spring (19) are initially in a compressed state.

4. A retaining pin according to claim 1, characterised in that: first bracing piece is installed to first roof (11) below, first bracing piece runs through second roof (13) with third roof (16), first bracing piece with third jacket (25) are connected, the second bracing piece is installed to second roof (13) below, the second bracing piece runs through third roof (16), the second bracing piece with second jacket (24) are connected.

5. A retaining pin according to claim 1, characterised in that: the first supporting rod is in clearance fit with the second top plate (13) and the third top plate (16), and the second supporting rod is in clearance fit with the third top plate (16).