CN209126364U - A kind of shell of stable connection - Google Patents

Abstract

The utility model discloses a kind of shells of stable connection, including outer tube and inner sleeve, the outer tube and inner sleeve are the perforative hollow structure in both ends, the left end of the outer tube is plugged with by handle, it is described by being plugged with key in handle, tail, which is arranged with, on the right end of the key connects tooth, the key and the tail connect and are provided with spring leaf between tooth, the left end of the inner sleeve is plugged on the right end that the tail connects tooth, the outer tube and the inner sleeve are arranged concentrically, the right end of the outer tube is plugged with a nozzle and connects tooth, it is over-surplus fit structure that the right end of the outer tube and described nozzle, which connect tooth, described nozzle, which connects, is plugged with a nozzle in tooth, it is thread matching structure that described nozzle, which connects tooth with described nozzle, collet is plugged in described nozzle, the right end of the inner sleeve is socketed in collet.The utility model stable connection, stability is good, and long service life facilitates and dismounted, convenient for replacing to components therein.

Description

A kind of shell of stable connection

Technical field

The utility model relates to technical field of stationery, the shell of specially a kind of stable connection.

Background technique

Pen is one of the mankind great invention, is for writing or the tool of drawing, multi-pass crosses pen tip will be with coloured Solid or liquid (ink) are on paper or other surfaces of solids draw text, symbol or picture, also have and utilize the hard of solid pen tip Degree writes picture pencil and charcoal pencil.With ink, paper, inkstone and claim the writing brush, ink stick, ink slab and paper.

In ancient Chinese, writing brush is used.Ancient Greek, ancient Roman once wax in wood plate surface, then with iron staff in wax It draws and writes on face, ancient egypt and Persian once fined away reed rod when pen uses.It is then using reed in America and Europe since Middle Ages Reed pen or goose quill 2012, become China's tribute new in the process of development history with cap pencil by Chinese's invention It offers.With the development of society, the type of pen is also more and more, pencil, writing brush, pen, memo pen, e-Pointer, ball pen, hooking There are many pen, wax crayon, water-color paintbrush etc..

Shell is the important part of pen, and existing shell is mostly connected or be threadedly coupled using simple interference, and connection is steady Solidity is poor, easily damaged, and is inconvenient to be dismounted, and not can be carried out replacement after some damage of components.

Utility model content

The purpose of this utility model is to provide a kind of shells of stable connection, and stable connection, stability is good, service life It is long, facilitate and dismounted, convenient for being replaced to components therein, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of shell of stable connection, including housing Pipe and inner sleeve, the outer tube and inner sleeve are the perforative hollow structure in both ends, the left end of the outer tube be plugged with by It is described by being plugged with key in handle, the outer tube and described by being over-surplus fit structure, it is described be by handle and key between Gap fit structure is arranged with tail on the right end of the key and connects tooth, and the key and the tail connect and be provided with spring leaf between tooth, The left end of the inner sleeve is plugged on the right end that the tail connects tooth, and it is clearance fit that the left end of the inner sleeve and the tail, which connect tooth, Structure, the outer tube and the inner sleeve are arranged concentrically, and the right end of the outer tube is plugged with a nozzle and connects tooth, the outer tube Right end and described nozzle to connect tooth be over-surplus fit structure, described nozzle connect and be plugged with a nozzle in tooth, and described nozzle connects tooth and institute Stating a nozzle is thread matching structure, and collet is plugged in described nozzle, and described nozzle and the collet are that interference fit combines, institute The right end for stating inner sleeve is socketed in collet.

Preferably, annular knurl is provided on the left end lateral surface of the key.

Preferably, it is provided with protrusion on the inner sleeve, middle washer is provided between the outer tube and inner sleeve, it is described The right side of protrusion is arranged in middle washer.

Preferably, the outer tube, inner sleeve, by handle, key, tail connect tooth, a nozzle connects tooth, nozzle and collet are copper material Matter integrated formed structure.

Preferably, the spring leaf is steel material integrated formed structure.

Preferably, barrel plating layer is provided on the outside of the collet.

Compared with prior art, the utility model has the beneficial effects that

1, by by outer tube and by, outer tube and a nozzle being connect tooth and nozzle and collet is set as interference fit knot Structure, so that this shell stable connection, stability is good, long service life；

2, it is set as clearance fit structure by the way that tooth will be connect by handle and key and inner sleeve and tail, by the way that a nozzle is connect tooth It is set as thread matching structure with a nozzle, so that this shell side is just dismounted, convenient for replacing to components therein.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the outer tube of the utility model；

Fig. 3 is the structural schematic diagram of the inner sleeve of the utility model；

Fig. 4 is the structural schematic diagram for pressing handle of the utility model；

Fig. 5 is that the tail of the utility model connects the structural schematic diagram of tooth；

Fig. 6 is the structural schematic diagram of the spring leaf of the utility model；

Fig. 7 is that a nozzle of the utility model connects the structural schematic diagram of tooth；

Fig. 8 is the structural schematic diagram of a nozzle of the utility model；

Fig. 9 is the structural schematic diagram of the collet of the utility model；

Figure 10 is the structural schematic diagram of the key of the utility model；

Figure 11 is the structural schematic diagram of the middle washer of the utility model；

In figure: 1, outer tube；2, inner sleeve；3, handle is pressed；4, tail connects tooth；5, spring leaf；6, a nozzle connects tooth；7, nozzle；8, Collet；9, key；10, annular knurl；11, raised；12, middle washer.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-11 is please referred to, the utility model provides a kind of technical solution: a kind of shell of stable connection, including outer tube 1 and inner sleeve 2, the outer tube 1 and inner sleeve 2 are the perforative hollow structure in both ends, and the left end of the outer tube 1 is plugged with By 3, the outer tube 1 and described press 3 are over-surplus fit structure, will not be deviate from from outer tube 1 easily by 3, described By key 9 is plugged in 3, described by being clearance fit structure 3 and the key 9, key 9 can be slided by left and right in 3 It is dynamic, it is arranged with tail on the right end of the key 9 and connects tooth 4, the key 9 and the tail connect and be provided with spring leaf 5 between tooth 4, institute The left end for stating inner sleeve 2 is plugged on the right end that the tail connects tooth 4, and left end and the tail of the inner sleeve 2 connect tooth 4 and match for gap Structure is closed, the outer tube 1 and the inner sleeve 2 are arranged concentrically, and the right end of the outer tube 1 is plugged with a nozzle and connects tooth 6, described It is over-surplus fit structure that the right end of outer tube 1 and described nozzle, which connect tooth 6, and a nozzle, which connects tooth 6, to be deviate from from outer tube 1 easily, Described nozzle connects and is plugged with a nozzle 7 in tooth 6, and it is thread matching structure, easy disassembly, institute that described nozzle, which connects tooth 6 with described nozzle 7, It states and is plugged with collet 8 in a nozzle 7, described nozzle 7 and the collet 8 are that interference fit combines, so that collet 8 will not be easily from pen Deviate from nozzle 7, the right end of the inner sleeve 2 is socketed in collet 8.

Specifically, being provided with annular knurl 10 on the left end lateral surface of the key 9, annular knurl 10 can increase finger and key 9 Frictional force avoids the finger in depresses button 9 from deviating from.

Specifically, being provided with protrusion 11 on the inner sleeve 2, middle washer is provided between the outer tube 1 and inner sleeve 2 12, the right side of protrusion 11 is arranged in the middle washer 12, so that outer tube 1 and inner sleeve 2 keep good concentricity.

Specifically, the outer tube 1, inner sleeve 2, by 3, key 9, tail are connect tooth 4, a nozzle connects tooth 6, nozzle 7 and collet 8 It is copper material integrated formed structure, durable, long service life.

Specifically, the spring leaf 5 is steel material integrated formed structure, has good elasticity.

Specifically, the outside of the collet 8 is provided with barrel plating layer, collet 8 is avoided to wear.

Structural principle: by by outer tube 1 and by 3, outer tube 1 and a nozzle being connect tooth 6 and nozzle 7 and collet 8 is arranged For over-surplus fit structure, so that this shell stable connection, stability is good, long service life, by will by 3 and key 9 and Inner sleeve 2 and tail connect tooth 4 and are set as clearance fit structure, by a nozzle being connect tooth 6 and nozzle 7 is set as thread matching structure, So that this shell side is just dismounted, convenient for replacing to components therein.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of shell of stable connection, including outer tube (1) and inner sleeve (2), it is characterised in that: the outer tube (1) and Inner sleeve (2) is the perforative hollow structure in both ends, and the left end of the outer tube (1) is plugged with by (3), the outer tube (1) and described by being over-surplus fit structure (3), described press is plugged with key (9) in (3), described by (3) and key (9) it is clearance fit structure, is arranged with tail on the right end of the key (9) and connects tooth (4), the key (9) and the tail connect tooth (4) it is provided between spring leaf (5), the left end of the inner sleeve (2) is plugged on the right end that the tail connects tooth (4), the inner sleeve It is clearance fit structure that the left end and the tail for managing (2), which connect tooth (4), and the outer tube (1) and the inner sleeve (2) are set with one heart It sets, the right end of the outer tube (1) is plugged with a nozzle and connects tooth (6), and the right end and described nozzle of the outer tube (1) connect tooth (6) For over-surplus fit structure, described nozzle, which connects, is plugged with a nozzle (7) in tooth (6), and described nozzle connects tooth (6) with described nozzle (7) and be Thread matching structure is plugged with collet (8) in described nozzle (7), and described nozzle (7) and the collet (8) are interference fit knot It closes, the right end of the inner sleeve (2) is socketed in collet (8).

2. a kind of shell of stable connection according to claim 1, it is characterised in that: on the outside of the left end of the key (9) Annular knurl (10) are provided on face.

3. a kind of shell of stable connection according to claim 1, it is characterised in that: be provided on the inner sleeve (2) Raised (11), are provided with middle washer (12) between the outer tube (1) and inner sleeve (2), and the middle washer (12) is arranged convex Play the right side of (11).

4. a kind of shell of stable connection according to claim 1, it is characterised in that: the outer tube (1), inner sleeve (2), it presses (3), key (9), tail connects tooth (4), a nozzle connects tooth (6), nozzle (7) and collet (8) are that copper material is integrally formed Structure.

5. a kind of shell of stable connection according to claim 1, it is characterised in that: the spring leaf (5) is steel material Integrated formed structure.

6. a kind of shell of stable connection according to claim 1, it is characterised in that: the outside of the collet (8) is arranged There is barrel plating layer.