CN217195020U - Assembling device for serial double-recoil spring assembly of pistol - Google Patents

Abstract

The utility model discloses an assembly quality of pistol serial-type double-recoil spring subassembly can realize that convenient and fast, the accurate of this type pistol serial-type double-recoil spring subassembly assemble reliably. An assembly device for a serial double-recoil spring assembly of a pistol comprises a positioning table, a stand column and a pressure spring handle, wherein the positioning table is provided with a positioning hole, the stand column is fixed on the positioning table, and the pressure spring handle is hinged to the stand column and used for rotating on a vertical surface; the pressure spring handle is provided with a pressure spring hole; the pressure spring handle comprises a left handle and a right handle hinged to the left handle and used for opening and closing on a plane, the pressure spring hole is divided into two half holes, and the two half holes are respectively located on the left handle and the right handle and used for abdicating the spring plug after being opened.

Description

Assembling device for serial double-recoil spring assembly of pistol

Technical Field

The utility model relates to a firearms technical field especially relates to an assembly quality of pistol serial-type double-recoil spring subassembly.

Background

In order to prolong the service life of the pistol and improve the stability of the recoil spring force, a serial double-recoil spring structure is adopted, and a large recoil spring and a small recoil spring of the pistol are connected in series through parts such as a recoil spring sleeve, a recoil spring guide rod, a recoil spring retainer ring, a recoil spring plug and the like to form a recoil spring assembly.

At present, a method of assembling a series double-recoil spring by hands is adopted, a large recoil spring and a recoil spring retainer ring are manually arranged on a recoil spring sleeve, a small recoil spring is arranged on a recoil spring guide rod, and the large and small recoil springs are connected in series and then are compressed simultaneously. When the thread end of the guide rod of the recoil spring is exposed out of the small recoil spring for a certain distance, the recoil spring plug is arranged. And when the recoil spring plug is installed to a specified distance, stopping screwing, loosening the large and small recoil springs, enabling two ends of the large recoil spring to respectively contact the recoil spring retainer ring and the large end of the recoil spring sleeve, and two ends of the small recoil spring to respectively contact the small end of the recoil spring sleeve and the positioning surface of the recoil spring plug, and finishing assembly. During the assembly process, a large spring force needs to be overcome, the compression spring is screwed into the recoil spring plug at the same time, and the recoil spring plug is positioned. The manual assembly method has the advantages of high operation difficulty, high labor intensity, low assembly efficiency and unstable quality control.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's not enough, provide an assembly quality of pistol serial-type double-recoil spring subassembly, can realize this type of pistol serial-type double-recoil spring subassembly convenient and fast, accurate assembly reliably.

The purpose of the utility model is realized like this:

an assembly device for a serial double-recoil spring assembly of a pistol comprises a positioning table, a stand column and a pressure spring handle, wherein the positioning table is provided with a positioning hole, the stand column is fixed on the positioning table, and the pressure spring handle is hinged to the stand column and used for rotating on a vertical surface; a pressure spring hole is formed in the pressure spring handle;

the pressure spring handle comprises a left handle and a right handle hinged to the left handle and used for opening and closing on a plane, the pressure spring hole is divided into two half holes, and the two half holes are respectively located on the left handle and the right handle and used for abdicating the spring plug after being opened.

Preferably, the detection device further comprises a detection tool, the detection tool comprises a bottom frame and an indication mark rod, the bottom frame is used for being placed on the positioning table, a yielding port is formed in the bottom frame and used for yielding the serial double-reciprocating-spring assembly, an upper limit scribing line and a lower limit scribing line are arranged on the indication mark rod, and the qualified initial length of the serial double-reciprocating-spring assembly is between the upper limit scribing line and the lower limit scribing line.

Preferably, the locating platform has base and location portion, the locating hole is located location portion upper end, and the chassis of detection instrument lets the position mouth and lets the position to location portion.

Preferably, the device further comprises a closing pliers for clamping the small end part of the recoil spring guide rod to enable the recoil spring guide rod to be grooved.

Preferably, a semicircular hole for closing is formed in a jaw of the closing pliers, the thickness of the semicircular hole is smaller than the width of the annular groove of the recoil spring plug, and the semicircular hole is used for matching the small-end closing part of the recoil spring guide rod with the annular groove of the recoil spring plug.

Since the technical scheme is used, the utility model discloses following beneficial effect has:

the assembling device consisting of the positioning table, the stand column and the pressure spring handle can accurately position the recoil spring sleeve, the recoil spring guide rod, the large recoil spring, the small recoil spring and the like on the positioning table, and the pressure spring handle is used for pressing the small recoil spring after positioning, so that the thread end of the recoil spring guide rod is exposed out of the small recoil spring, and the recoil spring plug is convenient to screw in. The position of the recoil spring plug can be quickly and accurately detected using a special detection tool while the recoil spring plug is being screwed in to determine the initial length of the dual recoil spring (H0). After the double-in spring plug is accurately positioned, the screw thread end of the double-in spring plug is accurately closed by using closing pliers with special notches at jaws, so that the problem of screw thread loosening of a double-in spring assembly in the using process is solved. The utility model discloses avoided the pressure spring in-process because fix a position the relevant assembly part slippage that insecure leads to, the problem that the spring popped out can carry out pinpointing and detection to the initial length (H0) of two recoil springs simultaneously. The method has the advantages of simple operation, low labor intensity, high assembly efficiency and stable quality.

Drawings

FIG. 1 is a three-dimensional schematic view of the overall structure of the assembly apparatus;

FIG. 2 is a three-dimensional schematic view of the overall structure of the positioning table in the assembly apparatus;

FIG. 3 is a three-dimensional schematic view of the overall structure of a column in the assembly apparatus;

FIG. 4 is a three-dimensional schematic view of the overall structure of the compression spring handle in the assembly apparatus;

figure 5 is a three-dimensional schematic of the overall structure of a closing-up jaw used in the embodiments;

FIG. 6 is a three-dimensional schematic of the overall structure of an inspection tool used in the embodiments;

FIG. 7 is a three-dimensional schematic view of the overall structure of the tandem double recoil spring;

FIG. 8 is a schematic view of a recoil spring retainer ring installed in a recoil spring guide;

FIG. 9 is a schematic view of a large recoil spring loaded into a recoil spring sleeve;

FIG. 10 is a schematic view of a recoil spring guide rod or the like installed in a recoil spring sleeve;

FIG. 11 is a schematic view of the positioning of components associated with the recoil spring and the compression spring in the assembly apparatus;

figure 12 is a schematic view of loading a recoil spring plug into a recoil spring guide rod;

FIG. 13 is a schematic illustration of the measurement of the initial length of the recoil spring using the test tool;

figure 14 is a schematic view of the closing of a plunging spring guide using closing jaws.

Detailed Description

Referring to the drawings of the specification, the assembly device of a serial double-recoil spring assembly of a pistol is shown in fig. 1 and comprises a positioning table 101, a stand column 102 and a pressure spring handle 103. As shown in fig. 2, the positioning table has two portions, namely a base 104 and a positioning portion 105, the base 104 is a rectangular steel member with a certain thickness, the base is provided with a threaded hole 106 for mounting the upright column 102, the positioning portion 105 is located at the middle position of the base, is in a rectangular parallelepiped shape, and is provided with a positioning hole 107 in the middle. As shown in fig. 3, the upright post 102 is cylindrical, the lower end of the upright post is connected with the base through a threaded rod 108, and the upper end of the upright post is provided with a connecting interface 109 for mounting a pressure spring handle 103. As shown in fig. 4, one end of the pressure spring handle 103 has a connection hole 113 to interface with the column, and the other end is a left handle 110 and a right handle 111, which are connected through a connection hole 112, and the middle part has a pressure spring hole 114.

As shown in fig. 6, the device also comprises a detection tool 3, wherein the detection tool 3 is a special non-scalar block meeting the measurement requirement of the initial length (H0) of the recoil spring assembly, the lower part of the detection tool is a base frame 301, and the upper part of the detection tool is provided with an indicating mark rod 302 with the upper and lower limit sizes of the initial length (H0) of the recoil spring assembly.

The using method comprises the following steps:

s1, preparation tool

Taking the assembling device 1 and the closing-in pliers 2.

As shown in fig. 5, the closing pliers 2 comprises three parts, namely a handle 201, a jaw 202 and a jaw 203, wherein the handle 201 is in a bent form for facilitating holding. The cheek 202 is a single-shear hinged structure and is connected by a central rotating shaft, the jaw 203 is a jaw special for closing, the diameter of a semicircular hole 204 at the closing part is smaller than that of the small end of a recoil spring guide rod, and the thickness of the semicircular hole is smaller than the width of an annular groove of a recoil spring plug.

S2, preparing parts to be assembled

As shown in fig. 7, the tandem double recoil spring assembly 4 (recoil spring guide 401, recoil spring retainer 402, large recoil spring 403, small recoil spring 404, recoil spring sleeve 405, recoil spring plug 406).

The parts to be assembled are corresponding parts forming the recoil spring assembly 4, and the recoil spring assembly 4 comprises a recoil spring guide rod 401, a recoil spring retainer ring 402, a large recoil spring 403, a small recoil spring 404, a recoil spring sleeve 405 and a recoil spring plug 406.

S3 assembly of recoil spring

First, as shown in fig. 8, a recoil spring retainer 402 is fitted into the large end of the recoil spring guide 401;

then, as shown in fig. 9, the large recoil spring 403 is sequentially sleeved on the recoil spring sleeve 405, so that the large recoil spring 403 is in contact with the end face of the recoil spring sleeve 405;

then, as shown in fig. 10, the recoil spring retainer 402 and the recoil spring guide rod 401 are integrally installed in the recoil spring sleeve 405 provided with the large recoil spring 403, so that the end surface of the large recoil spring 403 is in contact with the recoil spring retainer 402, then the small recoil spring 404 is installed in the gap between the recoil spring sleeve 405 and the recoil spring guide rod 401, and the end surface of the small recoil spring 404 is in contact with the end surface of the inner hole of the recoil spring sleeve 405;

then, as shown in fig. 11, the installed recoil spring guide rod 401, recoil spring retainer ring 402, large recoil spring 403, recoil spring sleeve 405 and small recoil spring 404 are placed into the positioning hole 107 in the middle of the assembling device 1, so that the large end of the recoil spring guide rod 401 faces downward, the compression spring hole 114 in the middle of the compression spring handle 103 is sleeved on the recoil spring guide rod 401, and the end face of the small recoil spring 404 is in contact with the compression spring handle 103;

then, as shown in fig. 12, the pressure spring handle 103 is held by hand to press the small recoil spring 404 downwards, and after the small end of the recoil spring guide rod 401 is exposed for a certain distance, the screw part of the recoil spring plug 406 is screwed into the threaded hole of the recoil spring guide rod 401;

measuring the initial length of the recoil spring assembly with measuring tool 3 during screwing in of recoil spring plug 406 as shown in fig. 13 (H0), stopping screwing when the length is between the limit graduations;

finally, as shown in fig. 14, the small end part of the recoil spring guide rod 401 is clamped by the semicircular hole 204 at the closing part of the closing-up pliers 2, the force is moderate, the closing-up is completed after the recoil spring guide rod 401 has a relatively obvious groove, the pressure spring handle 103 is loosened, and the recoil spring assembly 4 is taken down from the recoil spring assembly assembling device to complete the assembling.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (3)

1. The assembling device for the serial double-recoil spring assembly of the pistol is characterized by comprising a positioning table (101), a stand column (102) and a pressure spring handle (103), wherein the positioning table (101) is provided with a positioning hole (107), the stand column (102) is fixed on the positioning table (101), and the pressure spring handle (103) is hinged to the stand column (102) and used for rotating on a vertical surface; a pressure spring hole (114) is formed in the pressure spring handle (103);

the compression spring handle (103) comprises a left handle (110) and a right handle (111) hinged to the left handle (110) and used for opening and closing on a plane, the compression spring hole (114) is divided into two half holes, the two half holes are respectively located on the left handle (110) and the right handle (111) and used for abdicating the recoil spring plug (406) after being opened.

2. The assembly of a pistol tandem double recoil spring assembly of claim 1 further comprising: still including detecting instrument (3), detecting instrument (3) include chassis (301), indicate marker post (302), chassis (301) are used for placing on location platform (101), be equipped with the abdication mouth on chassis (301) for abdicate to the two spring subassemblies that advance of serial-type, be equipped with upper limit graduations, lower limit graduations on indicating marker post (302), be the qualified initial length of the two spring subassemblies that advance of serial-type between upper limit graduations, the lower limit graduations.

3. A mounting arrangement for a serial double recoil spring assembly of a handgun according to claim 2 further characterized in that: the positioning table (101) is provided with a base (104) and a positioning portion (105), the positioning hole (107) is located at the upper end of the positioning portion (105), and the chassis (301) of the detection tool (3) is provided with a yielding port for yielding the positioning portion (105).

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