CN212176435U - Putty cutting knife - Google Patents

Abstract

The utility model relates to a putty cutting knife, which comprises a plate body, a connecting component and a handle. The connecting component includes a first connecting part and a second connecting part, the first connecting part is connected with the second connecting part, and the first connecting part is away from the One end of the second connecting portion is connected with the plate body, and one end of the second connecting portion away from the first connecting portion is rotatably connected with the handle and fixed by a locking piece. The utility model has the effect that the angle of the handle can be flexibly adjusted as required, thereby reducing the fatigue of the operator's wrist.

Description

A putty cutter

technical field

The utility model relates to the technical field of architectural decoration, in particular to a putty cutting knife.

Background technique

At present, when people use the putty cutting knife, the wrist will change accordingly with the movement of the putty cutting knife. Under long-term work, the wrist will be very fatigued and the work efficiency will be reduced.

Utility model content

The purpose of the utility model is to provide a putty cutting knife, which has the effect of flexibly adjusting the angle of the handle according to the needs, thereby reducing the fatigue of the operator's wrist.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions:

A putty cutting knife comprises a plate body, a connecting component and a handle, the connecting component includes a first connecting part and a second connecting part, the first connecting part is connected with the second connecting part, and the end of the first connecting part is away from the second connecting part It is connected with the plate body, and one end of the second connecting part away from the first connecting part is rotatably connected with the handle and fixed by a locking piece.

By adopting the above technical solution, the handle is rotatably connected to the second connection part through the setting of the connecting component, and the setting of the locking member is used to adjust the angle of the handle flexibly as required, thereby reducing the fatigue of the operator's wrist.

The utility model is further configured as follows: a gap is formed at the end of the second connecting part away from the first connecting part, a clamping block matching the gap is fixed on the handle, the clamping block is inserted into the gap, and a rotating shaft is arranged through the clamping block, and the rotating shaft Both ends in the length direction are respectively rotatably connected with the side walls opposite to the notch.

By adopting the above technical solution, the handle can be rotated around the rotating shaft by the clamping block being snapped into the notch to match the setting of the rotating shaft, thereby adjusting the angle of the handle.

The utility model is further configured as follows: the locking piece is connected with the second connecting part, a plurality of insertion holes are provided on the side wall opposite to the clamping block and the locking piece, the insertion holes are arranged at equal distances around the rotating shaft, and the locking piece penetrates through the second connecting part. The connecting portion is inserted into the corresponding jack.

By adopting the above technical solution, the locking piece is inserted into the corresponding socket through the second connecting portion, and the handle and the second connecting portion are fixed, thereby facilitating subsequent operations.

The utility model is further configured as follows: the locking member comprises a protective shell, the side wall of the protective shell is fixedly connected with the outer side wall of the second connecting portion, the protective shell is an interior hollow cavity, and an insertion rod is arranged through the protective shell, in the length direction of the protective shell. The side wall away from the second connecting part is provided with a perforation for the insertion rod to extend, the insertion rod is arranged along the length direction of the protective shell, and one end of the insertion rod extends toward the second connecting part and is inserted into the corresponding jack on the card block , the other end of the insertion rod passes through the through hole, the part of the insertion rod that is arranged inside the protective shell is sleeved with a spring, the length direction of the spring is arranged along the length direction of the protective shell, and the insertion rod is close to one end of the second connecting part and is connected with the second A snap ring is fixedly connected to the position where the outer side wall is abutted, and the width of the snap ring is larger than the diameter of the spring.

By adopting the above technical solution, the spring is sleeved on the insertion rod and is matched with the setting of the snap ring, so that the spring is easily compressed in the process of pulling the insertion rod.

The utility model is further provided that: a protruding block is fixed at one end of the insertion rod passing through the through hole.

By adopting the above-mentioned technical solution, it is convenient to pull the insertion rod through the arrangement of the bumps.

The utility model is further arranged as follows: the central position of the first connecting part is arc-shaped and protrudes in the direction away from the plate body; the second connecting part is provided with a matching groove; The center position of the connector.

By adopting the above technical solution, the groove of the second connecting portion is stuck at the center of the first connecting portion, thereby increasing the contact area between the first connecting portion and the second connecting portion, thereby facilitating better dispersion of the impact of the plate body. pressure.

The utility model is further provided as follows: the four corners of the first connecting part are respectively provided with fixing holes; the first connecting part is attached to the plate body; body connected.

By adopting the above technical solution, the first connecting portion is connected with the plate body by bolts, so that the plate body can be easily dismantled and replaced.

The utility model is further provided that: a fixing plate is fixed between the plate body and the first connecting part, and the bolts pass through the fixing holes and are screwed with the fixing plate.

By adopting the above technical solution, through the arrangement of the fixing plate, the plate body and the first connecting portion are fixed by bolts, thereby preventing damage to the plate body.

The utility model is further configured as follows: the back of the plate body is fixed with a reinforcing rib along the length direction and the width direction of the plate body, and one end of the reinforcing rib is connected with the fixing plate.

By adopting the above technical scheme, the strength of the plate body is strengthened by the arrangement of reinforcing ribs.

To sum up, the beneficial technical effects of the present utility model are:

1. Through the setting of the connecting component, the handle and the second connecting part are connected in rotation, and the setting of the locking piece is matched, so that the angle of the handle can be flexibly adjusted according to the needs, thereby reducing the fatigue of the operator's wrist;

2. The groove of the second connecting part is stuck in the center of the first connecting part, thereby increasing the contact area between the first connecting part and the second connecting part, so as to better disperse the pressure on the plate body.

Description of drawings

Fig. 1 is a schematic diagram of the structure of a putty cutting knife;

Figure 2 is an exploded view of the putty cutter;

Figure 3 is an exploded view of the handle;

Figure 4 is a sectional view of a putty cutting knife;

Fig. 5 is the partial enlarged schematic diagram of A part in Fig. 4;

Figure 6 is an exploded view of the locking member.

In the figure, 1, plate body; 11, reinforcing rib; 12, fixing plate; 2, connecting component; 21, first connecting part; 211, fixing hole; 22, second connecting part; 221, groove; 222, notch ;3, handle; 31, anti-skid pattern; 32, block; 321, jack; 33, shaft; 4, locking piece; 41, protective shell; 411, perforation; 42, insert rod; 421, bump; 43 , spring; 44, snap ring.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1 and 2, it is a putty cutting knife disclosed by the utility model, comprising a plate body 1, a connecting assembly 2 and a handle 3, and the connecting assembly 2 includes a first connecting part 21 and a second connecting part 22, the first connecting part 21 and the second connecting part 22. The part 21 is connected with the second connection part 22, the end of the first connection part 21 away from the second connection part 22 is connected with the plate body 1, the end of the second connection part 22 away from the first connection part 21 is connected with the handle 3 in rotation and through the lock Fastener 4 is fixed. The second connecting portion 22 is rotatably connected with the handle 3, so that the operator can hold the handle 3 to rotate, and then flexibly rotate the wrist to work. The handle 3 is provided with an anti-slip pattern 31 , so as to increase the frictional force of the handle 3 .

The four corners of the first connecting portion 21 are respectively provided with fixing holes 211. The first connecting portion 21 is attached to the plate body 1, and the fixing plate 12 is fixed between the plate body 1 and the first connecting portion 21. Through the fixing hole 211 and screwed with the fixing plate 12, the setting of the fixing plate 12 can prevent damage to the plate body 1, and it is convenient to fix the first connecting part 21 and the plate body 1 by bolting, and it is also convenient to replace the plate. body 1.

A reinforcing rib 11 is fixed on the back of the board body 1 along the length direction and width direction of the board body 1 , and one end of the reinforcing rib 11 is connected with the fixing plate 12 , so as to further strengthen the strength of the board body 1 .

The center of the first connecting portion 21 is arc-shaped and protrudes away from the board body 1. The second connecting portion 22 has a corresponding groove 221, and the groove 221 of the second connecting portion 22 is stuck in the first connecting portion. Therefore, the contact area between the first connecting portion 21 and the second connecting portion 22 is increased, so as to better disperse the pressure on the plate body 1 .

Referring to FIG. 3 , a gap 222 is formed at the end of the second connecting portion 22 away from the first connecting portion 21 , and a blocking block 32 that matches the gap 222 is fixed on the handle 3 . The block 32 is provided with a rotating shaft 33 , and both ends of the rotating shaft 33 in the longitudinal direction are respectively rotatably connected to the side walls opposite to the notch 222 .

The locking member 4 is connected to the second connecting portion 22 , and a plurality of insertion holes 321 are provided on the side wall opposite to the locking member 32 and the locking member 4 . The second connecting portion 22 is inserted into the corresponding insertion hole 321 , so that the handle 3 and the second connecting portion 22 are quickly fixed.

4 and 5, the locking member 4 includes a protective shell 41, the side wall of the protective shell 41 is fixedly connected with the outer side wall of the second connecting portion 22, and the protective shell 41 is a cavity with an open end and a hollow inside. An insertion rod 42 is provided through the protective shell 41, and a through hole 411 is provided on the side wall of the protective shell 41 away from the second connecting portion 22 in the length direction of the protective shell 41, and a through hole 411 is provided for the insertion rod 42 to extend. The insertion rod 42 is arranged along the length direction of the protective shell 41, One end of the insertion rod 42 extends toward the second connecting portion 22 and is inserted into the corresponding socket 321 on the clamping block 32 .

Referring to FIG. 5 and FIG. 6 , the other end of the insertion rod 42 is fixedly connected with a protrusion 421 through the through hole 411 . The part of the insertion rod 42 arranged inside the protective shell 41 is sleeved with a spring 43, the length direction of the spring 43 is arranged along the length direction of the protective shell 41, and the insertion rod 42 is close to one end of the second connecting part 22 and is connected to the outside of the second connecting part 22. A snap ring 44 is fixedly connected to the position where the walls are close to each other, and the width of the snap ring 44 is larger than the width of the through hole 411 .

In the free state, the insertion rod 42 passes through the second connecting portion 22 and is inserted into the corresponding insertion hole 321 to fix the handle 3 and the second connecting portion 22, thereby facilitating subsequent operations. When the direction of the handle 3 needs to be adjusted, the insertion rod 42 is pulled, and the snap ring 44 compresses the spring 43, so that the block 32 can rotate around the shaft 33 to drive the handle 3 to rotate, adjust it to a certain position, loosen the bump 421, and the spring 43 will The insertion rod 42 is driven to move toward the direction close to the second connecting portion 22 , and then returns to a free state in which the insertion rod 42 extends toward the second connecting portion 22 and is inserted into the socket 321 , fixing the handle 3 and the second connecting portion 22 .

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (9)

1. The utility model provides a putty cutting knife, includes plate body (1), coupling assembling (2) and handle (3), its characterized in that: coupling assembling (2) include first connecting portion (21) and second connecting portion (22), and first connecting portion (21) link to each other with second connecting portion (22), and one end that first connecting portion (21) deviate from second connecting portion (22) links to each other with plate body (1), and one end that second connecting portion (22) deviate from first connecting portion (21) rotates with handle (3) to be connected and is fixed through retaining member (4).

2. The putty cutting knife of claim 1, further comprising: one end, deviating from the first connecting portion (21), of the second connecting portion (22) is provided with a notch (222), a clamping block (32) matched with the notch (222) is fixed on the handle (3), the clamping block (32) is clamped into the notch (222), a rotating shaft (33) penetrates through the clamping block (32), and two ends of the rotating shaft (33) in the length direction are respectively connected with the side walls, opposite to the notch (222), in a rotating mode.

3. A mastic cutting burr according to claim 2, further comprising: retaining member (4) link to each other with second connecting portion (22), have seted up a plurality of jacks (321) along having seted up on fixture block (32) and the relative lateral wall of retaining member (4), and a plurality of jacks (321) revolute axle (33) equidistance and set up, and retaining member (4) run through second connecting portion (22) and insert to corresponding jack (321).

4. A mastic cutting burr according to claim 3, further comprising: the locking piece (4) comprises a protective shell (41), the side wall of the protective shell (41) is fixedly connected with the outer side wall of the second connecting part (22), the protective shell (41) is a cavity with an opening at one end, an inserting rod (42) penetrates through the protective shell (41), a through hole (411) for the inserting rod (42) to extend out is formed in the side wall of the protective shell (41) far away from the second connecting part (22) in the length direction, the inserting rod (42) is arranged along the length direction of the protective shell (41), one end of the inserting rod (42) extends to the second connecting part (22) and is inserted into a corresponding inserting hole (321) in the clamping block (32), the other end of the inserting rod (42) penetrates through the through hole (411), a spring (43) is sleeved on the part of the inserting rod (42) arranged inside the protective shell (41), the length direction of the spring (43) is arranged along the length direction of the protective shell (41), and a clamping ring (44) is fixedly connected to one end, close to the second connecting, the width of the snap ring (44) is larger than the diameter of the spring (43).

5. The putty cutting knife of claim 4, characterized in that: one end of the inserted link (42) passing through the through hole (411) is fixed with a convex block (421).

6. The putty cutting knife of claim 1, further comprising: the central position of the first connecting part (21) is arc-shaped and protrudes in the direction far away from the plate body (1), the second connecting part (22) is provided with a groove (221) matched with the first connecting part, and the groove (221) of the second connecting part (22) is clamped at the central position of the first connecting part (21).

7. The putty cutting knife of claim 1, further comprising: fixing holes (211) are formed in four corners of the first connecting portion (21) respectively, the first connecting portion (21) is attached to the plate body (1), and the positions, corresponding to the fixing holes (211), on the plate body (1) respectively penetrate through the fixing holes (211) through bolts to be connected with the plate body (1).

8. The putty cutting knife of claim 7, further comprising: a fixing plate (12) is fixed between the plate body (1) and the first connecting portion (21), and penetrates through the fixing hole (211) through a bolt and is in threaded connection with the fixing plate (12).

9. The putty cutting knife of claim 1, further comprising: the back of the plate body (1) is fixed with reinforcing ribs (11) along the length direction and the width direction of the plate body (1), and one end of each reinforcing rib (11) is connected with the fixing plate (12).

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