CN213809155U - Ball valve - Google Patents

Abstract

The utility model discloses a ball valve aims at solving present ball valve and is unfavorable for the not enough of people's power. The utility model discloses an including valve casing, the valve ball of setting in the valve casing and connect the turning handle on the valve ball, the turning handle is connected with the handle along radial direction, the handle slope is connected on the turning handle, and the handle tip is equipped with a plurality of arc walls of arranging along handle length direction, the arc wall end to end is equipped with on the handle and subtracts the heavy groove. The structure is connected through the connector instead of the bolt, and the overall strength is improved. The cooperation of mortise and tenon spare and stopper, spacing groove makes when following the pulling handle of top difficult to pull out the connecting rod with the turning handle.

Description

Ball valve

Technical Field

The utility model relates to a pipe connector field, more specifically says that it relates to a ball valve.

Background

The existing valve body is generally arranged at a lower position, and the direction of a handle corresponding to the valve body is arranged in the radial horizontal direction of the valve body. This construction has the disadvantage that the valve body is generally relatively large in order to ensure leaktight damping, and the screwing requires a relatively large force. The position of the valve body determines that most people need to use a different mode to screw the handle. This is firstly inconvenient and secondly the force is marginal and there is the possibility of injury.

Chinese patent publication No. CN103742666B, this application discloses a valve body (1), a valve core (2), a bolt guide pin (3), a valve cover (4), a valve rod (5), a hand wheel (6), a nut (7), a lock nut (8), an elastic gasket (9), an upper cone (10), and a lower cone (11). The valve body (1) is fixedly connected with the valve cover (4) by bolts; the valve core (2) is assembled in a valve cavity (1-2) of the valve body (1); the upper cone (10) and the lower cone (11) are matched with the valve core (2); the valve rod (5) is in reverse threaded fit with the upper cone (10) and the lower cone (11); the bolt guide pin (3) is arranged on the valve cover (4) and is matched with the track groove (10-1); the locking nut (8) is fastened on the top of the thread of the valve rod (5) matched with the upper cone (10). The invention adopts the structure that the valve rod (5) is matched with the upper cone (10) and the lower cone (11) by reverse threads and the track groove (10-1) has the characteristics of uniform pressure distribution of a sealing surface, no friction of the sealing surface, small opening and closing torque, short stroke of the valve rod and the like. The handle of the valve body is arranged along the radial direction of the valve body, so that force is inconvenient to apply when the valve body is screwed, and the valve body can be injured.

Disclosure of Invention

The utility model overcomes present ball valve is unfavorable for people to have an effect, has improved a ball valve, and it more accords with people's the habit of having an effect of doing one's force, can improve and use the impression at a comfortable angle pulling handle.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a ball valve, includes the valve casing, sets up the valve ball in the valve casing and connects the turning handle on the valve ball, the turning handle is connected with the handle along radial direction, the handle slope is connected on the turning handle, and the handle tip is equipped with a plurality of arc walls of arranging along handle length direction, the arc wall end to end is equipped with on the handle and subtracts the heavy groove.

The structure is to realize that people can exert force in a more comfortable posture when the valve body is in a low position state, thereby realizing better use feeling. In order to achieve the purpose, the rotating handle and the handle are arranged obliquely, and the handle is arranged along the radial direction of the rotating handle on a vertically downward projection plane. The included angle between the handle and the rotating handle is an acute angle. When the valve body is in a low position, the handle tilted upwards conforms to the angle of the hand extending from top to bottom of a person. The person is more comfortable holding the inclined handle. The arc-shaped groove corresponds to the shape of a finger of a person. The contact area between a person and the handle can be increased through the arc-shaped groove, the pressure intensity of the hand is reduced when the person exerts force, and the use feeling is improved.

Preferably, the free end of the handle is inclined to the end of the handle connected to the stem. The structure realizes that the handle is of an upward tilting structure.

Preferably, the number of the arc-shaped grooves is three. The finger grip is designed to be held by fingers except the thumb and the tail finger, and is in line with the ergonomics.

Preferably, the rotating handle comprises an outer rotating handle, an inner rotating handle and a mortise and tenon component, a connecting rod is connected onto the valve ball, the inner rotating handle and the outer rotating handle are in a cylindrical shape and are communicated from top to bottom, the inner rotating handle is coaxially and fixedly connected onto the outer rotating handle, a plurality of limiting blocks are arranged on the inner wall of the inner rotating handle at equal intervals, limiting grooves passing through the limiting blocks are formed in the connecting rod, positioning grooves corresponding to the limiting blocks are formed in the connecting rod, the positioning grooves are connected with the middle parts of the limiting grooves, the mortise and tenon component comprises a top cover and mortise and tenon legs, the mortise and tenon legs are matched with the limiting grooves, and the mortise and tenon are inserted. The structure is used for realizing the locking and synchronous rotation of the rotating handle and the connecting rod. The rotating handle is inserted on the connecting rod through the limiting block and the limiting groove, moves to the position corresponding to the positioning groove and then rotates, and the limiting block is moved into the limiting groove. In this way, the limiting groove is completely emptied. Then the tenon foot of the mortise and tenon piece is inserted into the limiting groove. The limiting block can not move, the connecting rod and the rotating handle are locked, the rotating handle is fixedly connected to the ball valve, and the rotating handle is synchronous to the ball valve.

Preferably, the number of the limiting blocks is 2. The two limiting blocks, the positioning groove and the limiting groove are symmetrically arranged.

Preferably, the outer rotating handle is a circular truncated cone with a small upper part and a large lower part, the through hole of the core part of the outer rotating handle is small upper part and large lower part, and the handle is vertically connected to the side wall of the outer rotating handle. Compared with the structure that the side walls of the handle and the outer rotating handle are obliquely arranged, the structure can reduce the generation of component force, avoid the possibility that the handle is broken by pulling and prolong the service life of the product.

Preferably, the top surface of the inner rotating handle is lower than that of the outer rotating handle, the top cover abuts against the top surface of the inner rotating handle, and the top surface of the top cover is flush with the top surface of the outer rotating handle.

Preferably, a plurality of reinforcing walls which are arranged at equal intervals are arranged between the outer rotating handle and the inner rotating handle. This structure improves the connection strength between the outer and inner turnhandles.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the structure is connected through the connector instead of the bolt, so that the overall strength is improved; (2) the cooperation of mortise and tenon spare and stopper, spacing groove makes when following the pulling handle of top difficult to pull out the connecting rod with the turning handle.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of a connecting rod of the present invention;

FIG. 4 is a front view of the handle of the present invention;

fig. 5 is a perspective view of the handle of the present invention;

in the figure: the valve comprises a valve shell 1, a valve ball 2, a rotating handle 3, a handle 4, an arc-shaped groove 5, a weight reduction groove 6, an outer rotating handle 7, an inner rotating handle 8, a mortise and tenon part 9, a limiting block 10, a limiting groove 11, a positioning groove 12, a top cover 13, a tenon foot 14, a reinforcing wall 15 and a connecting rod 16.

Detailed Description

The technical solution of the invention is described in further detail below with reference to specific embodiments and with reference to the attached drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

The present disclosure is further described with reference to the following drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.

In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.

Example (b):

a ball valve, as shown in figures 1, 2 and 4, comprises a valve housing 1, a valve ball 2 arranged in the valve housing 1 and a rotary handle 3 connected to the valve ball 2, wherein a handle 4 is connected to the rotary handle 3 along a radial direction, the handle 4 is obliquely connected to the rotary handle 3, and a free end of the handle 4 is inclined to a connecting end of the handle 4 and the rotary handle 3. This arrangement achieves an upwardly "cocked" configuration for the handle 4. The specific way of inclining is: the outer rotating handle 7 is a circular truncated cone with a small upper part and a large lower part, the through hole in the core part of the outer rotating handle 7 is small upper part and large lower part, and the handle 4 is vertically connected to the side wall of the outer rotating handle 7. Compared with the structure that the side walls of the handle 4 and the outer rotating handle 7 are obliquely arranged, the structure can reduce the generation of component force, avoid the possibility that the handle 4 is pulled apart, and improve the service life of the product.

As shown in fig. 4, the end of the handle 4 is provided with a plurality of arc-shaped grooves 5 arranged along the length direction of the handle 4, and the number of the arc-shaped grooves 5 is three. The finger grip is designed to be held by fingers except the thumb and the tail finger, and is in line with the ergonomics. The arc-shaped grooves 5 are connected end to end.

The handle 4 is provided with a weight-reducing slot 6. The structure is directly used for shell extraction treatment on the bottom surface of the handle 4, so that the weight of the product is reduced to the maximum extent on the premise of maintaining the strength, the material consumption is reduced, and the structure is more environment-friendly.

The structure is to realize that people can exert force in a more comfortable posture when the valve body is in a low position state, thereby realizing better use feeling. For the purpose of the invention, the rotating handle 3 and the handle 4 are arranged obliquely, and the handle 4 is arranged along the radial direction of the rotating handle 3 on a vertically downward projection plane. The included angle between the handle 4 and the rotating handle 3 is an acute angle. When the valve body is in the low position, the handle 4 tilted upwards conforms to the angle of the hand extending from top to bottom of the person. The person is more comfortable holding the inclined handle 4. The arc-shaped slot 5 corresponds to the shape of a human finger. The contact area between a person and the handle 4 can be increased through the arc-shaped groove 5, the pressure on the hand is reduced when the person exerts force, and the use feeling is improved.

As shown in fig. 2 and 3, the rotating handle 3 comprises an outer rotating handle 7, an inner rotating handle 8 and a mortise and tenon member 9, a connecting rod 16 is connected to the valve ball 2, the inner rotating handle 8 and the outer rotating handle 7 are cylindrical and are vertically communicated, the inner rotating handle 8 is coaxial and fixedly connected to the outer rotating handle 7, 2 symmetrical limiting blocks 10 are arranged on the inner wall of the inner rotating handle 8 at equal intervals, a limiting groove 11 passing through the limiting block 10 is formed in the connecting rod 16, a positioning groove 12 corresponding to the limiting block 10 is formed in the connecting rod 16, the positioning groove 12 is connected with the middle of the limiting groove 11, the mortise and tenon member 9 comprises a top cover 13 and a tenon leg 14, the tenon leg 14 is matched with the limiting groove 11, and the mortise and tenon is inserted into the limiting groove 11. This arrangement is used to achieve locking and synchronous rotation of the stem 3 and connecting rod 16. The rotating handle 3 is inserted on the connecting rod 16 through the limiting block 10 and the limiting groove 11, moves to the position corresponding to the positioning groove 12 and then rotates, and the limiting block 10 moves into the limiting groove 11. In this way, the limiting groove 11 is completely emptied. Then the tenon foot 14 of the mortise and tenon component 9 is inserted into the limiting groove 11. The limiting block 10 can not move to lock the connecting rod 16 and the rotating handle 3, and the rotating handle 3 is fixedly connected to the ball valve to realize the synchronization of the rotating handle 3 to the ball valve. The two limiting blocks 10, the positioning groove 12 and the limiting groove 11 are symmetrically arranged. The top surface of the inner rotating handle 8 is lower than that of the outer rotating handle 7, the top cover 13 is abutted on the top surface of the inner rotating handle 8, and the top surface of the top cover 13 is flush with the top surface of the outer rotating handle 7.

A plurality of reinforcing walls 15 which are arranged at equal intervals are arranged between the outer rotating handle 7 and the inner rotating handle 8. This structure improves the coupling strength between the outer and inner turnbars 7 and 8.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the following claims.

Claims (8)

1. The utility model provides a ball valve, characterized by includes the valve casing, sets up the valve ball in the valve casing and connects the turning handle on the valve ball, the turning handle is connected with the handle along radial direction, the handle slope is connected on the turning handle, and the handle tip is equipped with a plurality of arc walls of arranging along handle length direction, the arc wall end to end is equipped with on the handle and subtracts the heavy groove.

2. A ball valve as claimed in claim 1 wherein the free end of the handle is inclined to the end of the handle connected to the stem.

3. A ball valve according to claim 1, wherein the number of the arc-shaped grooves is three.

4. The ball valve as claimed in claim 1, wherein the stem comprises an outer stem, an inner stem and a mortise and tenon member, the ball valve is connected with a connecting rod, the inner stem and the outer stem are both in a cylindrical shape with a through hole, the inner stem is coaxially and fixedly connected to the outer stem, the inner stem is provided at an inner wall thereof with a plurality of stoppers arranged at equal intervals, the connecting rod is provided with a limiting groove through which the stoppers pass, the connecting rod is provided with a positioning groove corresponding to the stoppers, the positioning groove is connected to a middle portion of the limiting groove, the mortise and tenon member comprises a top cover and a mortise, the mortise and tenon member is adapted to the limiting groove, and the mortise and tenon member is inserted into the limiting groove.

5. A ball valve as claimed in claim 4 wherein the number of stops is 2.

6. The ball valve of claim 1, wherein the outer stem is a circular truncated cone having a small top and a large bottom, the through hole of the core of the outer stem is small top and large bottom, and the handle is vertically connected to the sidewall of the outer stem.

7. The ball valve of claim 4, wherein the top surface of the inner stem is lower than the outer stem, the top cover abuts the top surface of the inner stem, and the top surface of the top cover is flush with the top surface of the outer stem.

8. A ball valve as claimed in claim 4 or 7 wherein a plurality of equally spaced reinforcing walls are provided between the outer and inner shanks.

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