CN215061167U

CN215061167U - Grease gun nozzle

Info

Publication number: CN215061167U
Application number: CN202121424934.XU
Authority: CN
Inventors: 韩华丙
Original assignee: Hangzhou Taihong Tools Co ltd
Current assignee: Hangzhou Taihong Tools Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-07
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to a grease gun nozzle technical field especially relates to a grease gun nozzle, include the fixed sleeving, inner core pole, middle sleeve pipe, the clamping sleeve pipe of being connected with the oil pipe and press the spanner. The inner core rod is arranged in the middle sleeve through an elastic element and extends out of the middle sleeve to be connected with the fixed sleeve. The front end of the clamping sleeve is bent inwards to form a clamping opening, and a plurality of clamping blades are arranged in the clamping sleeve. The clamping blade is arranged on the mounting component; the mounting component is connected with the inner core rod; the front end of the clamping blade is provided with a clamping section. The clamping section is attached to the clamping opening, and the clamping blade is limited through the mounting part and the clamping sleeve to realize clamping. The fixed sleeve and the middle sleeve can move towards the front end by pressing the wrench, and the clamping blade is loosened after the fixed sleeve and the middle sleeve move towards the front end. The pressing wrench can control the tightness of the clamping blade to clamp or loosen the clamping blade. The utility model has the advantages of simple structure and convenient assembly.

Description

Grease gun nozzle

Technical Field

The utility model relates to a grease gun nozzle technical field especially relates to a grease gun nozzle.

Background

Grease is an important grease in mechanical equipment and is often injected into a designated location through a grease gun nozzle. When the grease gun is used, the rear end of the grease gun nozzle is connected with the oil filling pipe or the grease gun, the front end of the grease gun nozzle is connected with the oil filling port, grease for mechanical lubrication generates pressure under the action of the grease gun pressure rod, and the grease is sequentially injected into a part to be lubricated through the oil filling pipe, the grease gun nozzle and the oil filling port. Due to the widespread use of butter, a wide variety of grease gun tips are also available on the market.

Patent CN201620423625.3 discloses a grease gun nozzle, which comprises a shell, a nozzle and a plurality of grasping sheets, wherein the nozzle and the plurality of grasping sheets are arranged in the shell; the shell is an integrated shell, an oil inlet end and a joint end which are communicated are arranged in the integrated shell, the nozzle is axially positioned in the joint end of the shell, and the plurality of grabbing pieces are circumferentially distributed in a positioning cavity between the nozzle and the inner side surface of the shell; and a closing-in part is arranged on the port of the joint end of the shell and is in guide fit with the inclined plane at the outer end part of the grabbing piece.

However, the technical scheme has the defects that the assembling process of the grease gun nozzle is complex and multiple working procedures are needed. Therefore, there is an urgent need in the market for a grease gun nozzle that is easy to assemble.

Disclosure of Invention

The main object of the utility model is to overcome the defects in the prior art and provide a grease gun nozzle. The grease gun nozzle has the advantages of easy assembly, simple structure and the like.

The utility model discloses a realize that the technical scheme that its technical purpose adopted is: the grease gun nozzle is structurally characterized in that: the oil filling device comprises a fixed sleeve connected with an oil filling pipe, an inner core rod, a middle sleeve internally provided with the inner core rod, a clamping sleeve connected with an oil filling port and a pressing wrench arranged between the fixed sleeve and the middle sleeve.

The inner core rod is arranged in the middle sleeve through an elastic element, extends out of the middle sleeve to be connected with the fixed sleeve, and is connected with the clamping sleeve in a threaded connection mode.

The front end of the clamping sleeve is bent inwards to form a clamping opening, a certain radian is formed at the joint of the clamping opening and the inner wall, and a plurality of clamping blades are arranged in the clamping sleeve. The clamping opening relatively fixes the clamping blade, so that the clamping function of clamping the blade is realized.

The clamping blade is arranged on the mounting component; the mounting component is connected with the inner core rod; the front end of the clamping blade is provided with a clamping section with a certain radian. The clamping blade is limited through the mounting component and the clamping sleeve, and clamping is achieved.

The pressing wrench can make the fixed sleeve and the middle sleeve move towards the front end, after the fixed sleeve and the middle sleeve move towards the front end, the clamping opening loses the limit on the clamping blade, and the clamping blade is loosened in the clamping sleeve. The pressing wrench can control the tightness of the clamping blade to clamp or open the clamping blade.

Preferably, the through hole of the middle sleeve is a circular truncated cone-shaped through hole, and the diameter of the front end opening is larger than that of the rear end opening. The inner core rod enters the middle sleeve from the front end opening to prevent the inner core rod from separating from the rear end opening.

Preferably, the inner core rod comprises an upper section and a lower section, and the diameter of the upper section is larger than that of the lower section; the elastic element is a spring wound on the lower section part. The inner core rod is arranged in the middle sleeve and extends out from the rear end to be connected with the fixed sleeve, and the middle sleeve can be pushed to move towards the front end by pressing the handle under the action of the spring.

Preferably, the front end of the inner core rod is provided with an installation groove, and the installation component is arranged in the installation groove and connected with the inner core rod. The mounting groove is convenient for the installation component to be connected with the inner core rod.

Preferably, the mounting part comprises a connecting seat, a limiting sheet and a positioning column. The connecting seat is arranged in the mounting groove, and the limiting sheet and the positioning column are sleeved on the connecting seat, so that the clamping blade can be conveniently attached to the periphery of the positioning column.

Preferably, the material of connecting seat is soft material, spacing piece with the material of reference column is hard material, and soft connecting seat is convenient for the card to locate in the mounting groove, is connected with the inner core pole, and the spacing of the tight blade of clamp is convenient for to spacing of spacing piece and reference column of stereoplasm.

Preferably, the rear end of the clamping blade is bent inwards and vertically to form an installation section, and the installation section is clamped between the limiting sheet and the positioning column, so that the clamping blade is conveniently assembled on an installation part.

Preferably, the retaining sleeve is provided with symmetrical flattened sections to increase the hand-held position and prevent slippage during assembly.

Preferably, the cross section of the middle sleeve is regular hexagon, so that the middle sleeve is convenient to hold stably and is convenient to assemble.

Preferably, the outer wall of the clamping sleeve is provided with anti-slip lines, so that friction is increased, and slipping in the assembling process is prevented.

The utility model has the advantages that: the utility model has simple structure, simple installation process among all the parts, less assembly processes, simple assembly process and convenient production and manufacture, and is sequentially installed through threaded connection; meanwhile, the tightness of the clamping blade is simply adjusted, and the clamping blade is convenient to operate by one hand.

Drawings

Fig. 1 is a schematic view of the overall structure of a grease gun nozzle of the present invention.

Fig. 2 is an exploded view of a grease gun nozzle according to the present invention.

Fig. 3 is a sectional view of a grease gun nozzle according to the present invention.

Fig. 4 is an enlarged schematic view of the position a in fig. 3.

Fig. 5 is a schematic structural view of a mounting part of a grease gun nozzle according to the present invention.

Wherein: 1. fixing the sleeve; 11. a flattening section; 2. an inner core bar; 21. an elastic element; 22. an upper section; 23. a lower section; 24. mounting grooves; 3. an intermediate sleeve; 4. clamping the sleeve; 41. clamping the opening; 42. anti-skid lines; 5. pressing the wrench; 6. clamping the blade; 61. a clamping section; 62. an installation section; 7. a mounting member; 71. a connecting seat; 72. a limiting sheet; 73. and a positioning column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

In the description of the present invention, it should be noted that when an element is referred to as being "fixed" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the product of the present invention is usually placed in when used, and are only for convenience of describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, 2 and 3, in embodiment 1, a grease gun nozzle includes a fixing sleeve 1, an inner core rod 2, an intermediate sleeve 3, a clamping sleeve 4, and a pressing wrench 5 disposed between the fixing sleeve 1 and the intermediate sleeve 3.

Referring to fig. 2, the fixing sleeve 1 is provided with symmetrical flattening sections 11 to increase the holding position and prevent slipping during assembly, and threads are arranged in the inner through hole. The fixed sleeve is connected with the inner core rod and the oil filling pipe through threads.

The cross-section of middle sleeve pipe 3 is regular hexagon, and the handheld stability of being convenient for is convenient for, is convenient for assemble, and the front end is equipped with convex screw thread section, middle sleeve pipe and clamping sleeve pipe threaded connection. The through hole of the middle sleeve 3 is a circular truncated cone-shaped through hole, and the diameter of the front end opening is larger than that of the rear end opening.

The core rod 2 is arranged inside the middle sleeve 3 through an elastic element 21, and extends out of the middle sleeve 3 to be connected with the fixed sleeve 1. The inner core rod enters the middle sleeve from the front end opening to prevent the inner core rod from being separated from the rear end opening, and meanwhile, the inner core rod and the elastic element also limit the middle sleeve.

The inner core rod 2 comprises an upper section 22 and a lower section 23, and the diameter of the upper section 22 is larger than that of the lower section 23; the elastic element 21 is a spring, the spring is wound on the lower section part 23, the rear end of the lower section part is provided with threads, the inner core rod is arranged in the middle sleeve and extends out of the rear end to be in threaded connection with the fixed sleeve, and the middle sleeve can be pushed to move towards the front end by pressing the handle under the action of the spring.

The outer wall of the clamping sleeve 4 is provided with anti-slip grains 42, so that friction is increased, and slipping in the assembling process is prevented. A plurality of clamping blades 6 are arranged in the clamping sleeve 4, and in the embodiment, the number of the clamping blades is 4. The front end of the clamping sleeve 4 is bent inwards to form a clamping opening 41, a certain radian is formed at the joint of the clamping opening 41 and the inner wall, and the inner wall of the rear end is provided with threads which are in threaded connection with a thread section protruding from the front end of the middle sleeve.

Referring to fig. 4 and 5, the clamping blade 6 is provided on the mounting part 7; the mounting component 7 is connected with the inner core rod 2; the front end of the clamping blade 6 is provided with a clamping section 61 with a certain radian, and the rear end is inwards and vertically bent to form an installation section 62, so that the clamping blade is conveniently assembled on an installation part. The clamping section is attached to the clamping opening, and the clamping blade is fixed through the mounting part and the clamping sleeve to realize clamping. When the middle sleeve and the clamping frame sleeve move forwards under the driving of the pressing handle, the clamping frame blade moves along the radian of the joint of the clamping opening 41 and the inner wall, the clamping blade is loosened and opened and is not attached to the clamping opening, and the clamping blade can be sleeved into the oil filling opening for clamping and fixing; when the pressing handle is loosened, the clamping frame blade moves to the clamping opening along the radian of the joint of the clamping opening 41 and the inner wall, and the clamping blade is clamped. The front end of the inner core rod 2 is provided with a mounting groove 24, and the mounting component 7 is arranged in the mounting groove 24 and connected with the inner core rod 2. The mounting groove is convenient for the installation component to be connected with the inner core rod.

The mounting member 7 includes a connecting base 71, a stopper piece 72, and a positioning post 73. The connecting seat is arranged in the mounting groove, and the limiting sheet and the positioning column are sleeved on the connecting seat, so that the clamping blade can be conveniently attached to the periphery of the positioning column. The mounting section 62 of the clamping blade is clamped between the limiting sheet 72 and the positioning column 73

The connecting seat 71 is made of soft materials, the limiting piece 72 and the positioning column 73 are made of hard materials, the soft connecting seat is convenient to clamp in the mounting groove and is connected with the inner core rod, and the hard limiting piece and the positioning column are convenient to clamp the limiting position of the blade.

The wrench 5 is pressed to move the fixed sleeve 1 and the middle sleeve 3 to the front end, and the clamping blade is loosened after the wrench is moved to the front end. The tightness of the clamping blade 6 can be controlled by the pressing wrench, clamping or loosening of the clamping blade can be realized, the clamping blade can be operated by one hand, and the using process is simpler.

The assembly process is specifically as follows: the spring is sleeved on the lower section part of the inner core rod, the inner core rod and the spring are simultaneously placed in the middle sleeve, the lower section part of the inner core rod extends out of the middle sleeve, the pressing handle is sleeved into the lower section part of the extending part, the extending part of the lower section part of the inner core rod is in threaded connection with the fixed sleeve, the limiting piece and the positioning column are sequentially sleeved on the connecting seat, the connecting seat is clamped on the mounting groove of the inner core rod, the mounting section of the clamping blade is clamped and relatively fixed between the limiting piece and the positioning column, the periphery of the clamping blade is arranged on the periphery of the positioning column, and finally the clamping sleeve is connected with the middle sleeve to wrap the clamping blade in the middle sleeve. The whole assembly process is simpler, and the assembly and production are convenient.

The specific using process of the grease gun nozzle comprises the following steps: firstly, the rear end thread of the fixed sleeve is in threaded connection with a fuel filling gun or a fuel filling pipe, then, a user presses the pressing wrench to enable the middle sleeve and the clamping sleeve to move forwards relative to other components, the clamping blade moves along the radian of the joint of the clamping opening in the clamping sleeve, the clamping blade is loosened and opened, finally, the fuel filling opening extends into the clamping sleeve, the pressing wrench is loosened, the clamping blade moves along the radian of the joint of the clamping opening, the fuel filling opening is clamped, and the fuel filling opening can start to work.

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structures, equivalent processes or equivalent functional changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the scope of the present invention.

Claims

1. A grease gun nozzle is characterized in that: the oil filling device comprises a fixed sleeve (1) connected with an oil filling pipe, an inner core rod (2), a middle sleeve (3) internally provided with the inner core rod (2), a clamping sleeve (4) connected with an oil filling port and a pressing wrench (5) arranged between the fixed sleeve (1) and the middle sleeve (3);

the inner core rod (2) is arranged in the middle sleeve (3) through an elastic element (21), extends out of the middle sleeve (3) and is connected with the fixed sleeve (1), and the middle sleeve (3) is connected with the clamping sleeve (4);

the front end of the clamping sleeve (4) is bent inwards to form a clamping opening (41), a certain radian is formed at the joint of the clamping opening (41) and the inner wall, and a plurality of clamping blades (6) are arranged in the clamping sleeve (4);

the clamping blade (6) is arranged on the mounting part (7); the mounting component (7) is connected with the inner core rod (2); the front end of the clamping blade (6) is provided with a clamping section (61) with radian;

the pressing wrench (5) can make the fixed sleeve (1) and the middle sleeve (3) move towards the front end to control the tightness of the clamping blade (6).

2. A grease gun nozzle according to claim 1, characterized in that:

the through hole of the middle sleeve (3) is a circular truncated cone-shaped through hole, and the diameter of the front end opening is larger than that of the rear end opening.

3. A grease gun nozzle according to claim 2, characterized in that:

the inner core rod (2) comprises an upper section part (22) and a lower section part (23), and the diameter of the upper section part (22) is larger than that of the lower section part (23); the elastic element (21) is a spring wound on the lower section (23).

4. A grease gun nozzle according to claim 1, characterized in that:

the front end of the inner core rod (2) is provided with an installation groove (24), and the installation part (7) is arranged in the installation groove (24) and connected with the inner core rod (2).

5. A grease gun nozzle according to claim 1, characterized in that:

the mounting part (7) comprises a connecting seat (71), a limiting sheet (72) and a positioning column (73).

6. The grease gun nozzle according to claim 5, characterized in that:

the connecting seat (71) is made of soft materials, and the limiting sheet (72) and the positioning column (73) are made of hard materials.

7. The grease gun nozzle according to claim 5, characterized in that:

the rear end of the clamping blade (6) is bent inwards and vertically to form an installation section (62), and the installation section (62) is clamped between the limiting sheet (72) and the positioning column (73).

8. A grease gun nozzle according to claim 1, characterized in that:

the fixed sleeve (1) is provided with symmetrical flattening sections (11).

9. A grease gun nozzle according to claim 1, characterized in that:

the cross section of the middle sleeve (3) is regular hexagon.

10. A grease gun nozzle according to claim 1, characterized in that:

the outer wall of the clamping sleeve (4) is provided with anti-skid grains (42).