CN214404273U

CN214404273U - Pin shaft for spray gun locking device

Info

Publication number: CN214404273U
Application number: CN202120034903.7U
Authority: CN
Inventors: 鲍和辉; 吴文晶
Original assignee: Hulun Buir Chihong Mining Industry Co ltd
Current assignee: Hulun Buir Chihong Mining Industry Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-10-15
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses a pin shaft for a spray gun locking device, which is used for fixing a cam matched and locked with a spray gun, and comprises a pin shaft main body and a pin shaft cap arranged at the top end of the pin shaft main body, wherein the cross section of the pin shaft cap is rectangular or polygonal, and the center of the top surface of the pin shaft cap is provided with an oil filling hole; the pin shaft main body comprises a first shaft body and a second shaft body; the oil injection hole is arranged along the length direction of the first shaft body; a circle of oil storage groove is formed in the peripheral side of the first shaft body, a plurality of oil outlet holes are formed in the bottom of the oil storage groove at intervals, and the oil outlet holes are arranged in the length direction perpendicular to the first shaft body and communicated with the tail portion of the oil inlet hole; the second shaft body is an elongated threaded rod. The utility model discloses simple structure, the installation, dismantle conveniently, easily change, and can fully lock the cam, avoid the spray gun to take place to rock, effectively solved the current technical defect who is used for spray gun locking device's round pin axle.

Description

Pin shaft for spray gun locking device

Technical Field

The utility model relates to a round pin axle technical field, more specifically the theory relates to a round pin axle for spray gun locking device.

Background

The installation position of a pin shaft for a spray gun locking device in the prior art is generally positioned at a high altitude, and a pin shaft cap is designed to be circular, so that the pin shaft is difficult to fix by using a tool and the nut is difficult to lock during installation. And when the pin shaft is replaced, the pin shaft is blocked and is difficult to replace due to the fact that cigarette ash enters a gap between the pin shaft and the hole. In addition, current round pin axle is in the use, easily leads to the nut to become flexible because of the spray gun vibration, and then leads to appearing the cam and can't be locked, and the spray gun produces the phenomenon of rocking.

It would therefore be a problem to be solved by those skilled in the art to provide a pin that can be used in a spray gun locking device to effectively overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a round pin axle for spray gun locking device, its concrete technical scheme as follows:

a pin shaft for a spray gun locking device is used for fixing a cam matched and locked with a spray gun and comprises a pin shaft main body and a pin shaft cap arranged at the top end of the pin shaft main body, wherein the cross section of the pin shaft cap is rectangular or polygonal, and an oil filling hole is formed in the center of the top surface of the pin shaft cap; the pin shaft main body comprises a first shaft body and a second shaft body, wherein one end of the first shaft body is integrally connected with the pin shaft cap, and the other end of the second shaft body is integrally connected with the first shaft body; the oil injection hole is arranged along the length direction of the first shaft body; a circle of oil storage groove is formed in the peripheral side of the first shaft body, a plurality of oil outlet holes are formed in the bottom of the oil storage groove at intervals, and the oil outlet holes are arranged in the length direction perpendicular to the first shaft body and communicated with the tail portion of the oil inlet hole; when the pin shaft is assembled and used, the cam is screwed onto the first shaft body through the central hole of the cam and covers the oil storage groove; the second shaft body is an elongated threaded rod.

Compared with the prior art, the utility model discloses a cross sectional shape with round pin axle hood is changed rectangle or polygon into by circular to it can be fixed with the help of the spanner to make it, and does not use the staff directly to press and fix, has made things convenient for operating personnel to lock to the nut that is located the round pin axle other end. The utility model discloses a design oil filler point and the oil outlet for the filling butter at round pin epaxial, can seal the gap between round pin axle and the pinhole that corresponds rather than, prevent that the dust from getting into, play the lubrication action again simultaneously, make things convenient for the dismantlement of round pin axle. The utility model discloses an add the oil storage recess in the cooperation department of round pin axle and cam, can save some butter in advance to need occasionally. Additionally, the utility model discloses still add the secondary shaft body on prior art's basis, just also the length of screw rod, alright like this with the number that increases lock nut, make the nut difficult not hard up because of the spray gun vibration.

Preferably, the second shaft body can be screwed with 2-3 nuts. Compared with a single nut in the prior art, the utility model discloses a screw in 2-3 nuts support tight cam, make it change to be locked tightly and the nut does not take place not hard up.

Preferably, the diameter of the oil injection hole is larger than that of the oil outlet hole, so that butter can be rapidly injected into a gap between the pin shaft and the pin hole.

The utility model discloses simple structure, the installation, dismantle conveniently, easily change, and can fully lock the cam, avoid the spray gun to take place to rock, effectively solved the current technical defect who is used for spray gun locking device's round pin axle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a cross-sectional view of a pin shaft for a spray gun locking device of the present invention.

Figure 2 is the utility model relates to an axonometric view of a round pin axle for spray gun locking device.

Fig. 3 is a using state diagram before the cam is assembled.

Fig. 4 is a use state diagram of the cam assembled in the present invention.

Wherein, in the figure,

1-pin shaft cap, 2-oil injection hole, 3-first shaft body, 4-second shaft body, 5-oil storage groove, 6-oil outlet hole, 7-cam and 8-center hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The pin for the spray gun locking device in the embodiments of the present invention will be described in detail with reference to fig. 1-4.

Example (b):

as shown in fig. 1-4, the pin shaft for the spray gun locking device according to the embodiment of the present invention is used for fixing a cam 7 locked in cooperation with a spray gun, and includes a pin shaft main body and a pin shaft cap 1 disposed at the top end of the pin shaft main body, wherein the cross section of the pin shaft cap 1 is rectangular or polygonal, which facilitates the fixing of a wrench; an oil filling hole 2 is formed in the center of the top surface of the pin shaft cap 1; the pin shaft main body comprises a first shaft body 3 and a second shaft body 4, wherein one end of the first shaft body 3 is integrally connected with the pin shaft cap 1, and the other end of the first shaft body 3 is integrally connected with the second shaft body; the oil filling hole 2 is arranged along the length direction of the first shaft body 3; the periphery side of the first shaft body 3 is provided with a circle of oil storage groove 5, the bottom of the oil storage groove 5 is provided with a plurality of oil outlets 6 at intervals, and the oil outlets 6 are arranged along the length direction perpendicular to the first shaft body 3 and communicated with the tail part of the oil injection hole 2.

In the assembly and use state of the pin shaft, the cam 7 is screwed onto the first shaft body 3 through the central hole 8 of the pin shaft and covers the oil storage groove 5.

The second shaft body 4 is an elongated threaded rod, and 2-3 nuts can be screwed into the elongated threaded rod in a matching mode.

In order to further optimize the technical scheme, the diameter of the oil injection hole 2 is larger than that of the oil outlet hole 6.

The utility model discloses an installation application method does:

firstly, rotating a cam 7 to a first shaft body 3 of a pin shaft body through a central hole 8 of the cam, then extending the pin shaft body into a corresponding pin hole on a spray gun, and rotating the cam 7 to clamp the cam 7 in a mounting groove at one side of the spray gun;

fixing the pin shaft cap 1 by means of a wrench tool, screwing 2 or 3 nuts from the other side of the spray gun and the free end of the second shaft body 4, and further rotating each nut to enable the nut to lock the cam 7 and not to be loosened easily; grease is injected into the oil injection hole 2, and enters a gap between the pin shaft and the pin hole through the oil injection hole 6 to play a role in sealing and prevent dust from entering; finally, the excess butter is stored in the oil storage groove 5 for use from time to time.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pin shaft for a spray gun locking device is used for fixing a cam (7) which is matched and locked with a spray gun, and is characterized by comprising a pin shaft main body and a pin shaft cap (1) arranged at the top end of the pin shaft main body, wherein the cross section of the pin shaft cap (1) is rectangular or polygonal, and an oil filling hole (2) is formed in the center of the top surface of the pin shaft cap (1); the pin shaft main body comprises a first shaft body (3) and a second shaft body (4), wherein one end of the first shaft body is integrally connected with the pin shaft cap (1), and the other end of the first shaft body (3) is integrally connected with the second shaft body; the oil filling hole (2) is arranged along the length direction of the first shaft body (3); a circle of oil storage groove (5) is formed in the outer peripheral side of the first shaft body (3), a plurality of oil outlet holes (6) are formed in the bottom of the oil storage groove (5) at intervals, and the oil outlet holes (6) are arranged in the length direction perpendicular to the first shaft body (3) and communicated with the tail portion of the oil injection hole (2); when the pin shaft is assembled and used, the cam (7) is screwed onto the first shaft body (3) through the central hole (8) of the cam and covers the oil storage groove (5); the second shaft body (4) is an elongated threaded rod.

2. The pin for a locking device of a spray gun according to claim 1, characterized in that 2-3 nuts can be screwed into the second shaft body (4).

3. Pin for a locking device of spray guns as claimed in claim 1, characterized by the fact that the diameter of the oil filler hole (2) is greater than the diameter of the oil outlet hole (6).