Coating thickness gauge

Abstract

The utility model provides a coating thickness gauge. The coating thickness gauge comprises an upper cover assembly, a self-tapping screw, a fixed seat, a spring, a knob switch, a lower cover, a button cell and a button cell cover, a hole III is formed in the lower cover; the knob switch is fixed in the hole III; a shaft is arranged in the knob switch, a second hole is formed in the spring, and the knob switch is fixed to the spring through the shaft and the second hole. The fixing base is provided with a first boss, a positioning groove is formed in the lower cover, and the fixing base is installed in the lower cover. The knob switch is provided with a second boss, a first guide groove is formed in the fixing base, and the second boss and the first guide groove are connected with the first end face of the fixing base. A hole I is formed in the fixed seat; the knob switch shaft and the hole I are fixed with the fixed seat; the lower cover is provided with a button cell groove, a guide groove II, a limiting rib and a clamping point, the button cell cover is provided with a buckle and a clamping groove, the buckle is aligned with the guide groove II, so that the buckle is connected with the limiting rib, and the clamping groove is fixed with the clamping point; the button battery cover is locked with the buckle through the second boss and fixed to the lower cover, and the upper cover assembly and the lower cover are spliced to form a shell.

Description

Technical Field

[0001] The utility model relates to the technical field of thickness testers, and mainly relates to a coating thickness tester. Background Art

[0002] Coating thickness gauges are widely used in the measurement field, involving all kinds of manufacturing industries. The button battery cover of general coating thickness gauges is fixed in a way that makes it easy to remove the button battery. Children may swallow the button battery by mistake while playing, which may cause harm to the children. Therefore, coating thickness gauges that can effectively reduce the easy removal of button batteries are born. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the utility model provides a coating thickness gauge.

[0004] The technical solution of the utility model is as follows: A coating thickness gauge comprises an upper cover assembly, a self-tapping screw, a fixing seat, a spring, a knob switch, a lower cover, a button battery, and a button battery cover;

[0005] The lower cover is provided with a third hole which passes through the lower cover, and the knob switch is embedded in the third hole; a shaft is provided at one end of the knob switch located in the lower cover, and the spring is sleeved on the outer side of the shaft;

[0006] The fixing seat is provided with a boss 1, and a positioning groove is provided on the outer periphery of the hole 3 in the lower cover. The fixing seat is engaged with the positioning groove through the boss 1 and covers the end of the knob switch located in the lower cover; a boss 2 is provided on the outer wall of the knob switch, and a guide groove 1 is provided on the side wall of the fixing seat, and the boss 2 cooperates with the guide groove 1; the inner end of the fixing seat is also provided with a hole 1 that cooperates with the shaft.

[0007] Preferably, a button battery slot is provided outside the lower cover, and a second guide slot, a limiting rib and a clamping point are provided on the inner side wall of the button battery slot outside the lower cover; a buckle is provided on the outer periphery of the button battery cover, and a clamping slot is provided on the buckle, and the button battery is placed in the button battery slot and contacts the lower cover, and the button battery cover is engaged with the second guide slot through the buckle and covers an end of the button battery located outside the lower cover;

[0008] The lower cover is located outside the upper end of the button battery slot and is horizontally provided with end face 2 flush with the button battery, and the button battery cover is provided with horizontal end face 3 on the inner side. The button battery cover is in contact with end face 3 through end face 2 and the buckle is connected with the limiting rib and the slot and the clamping point are matched to fix to the lower cover; the upper cover assembly and the lower cover are spliced ​​to form a shell.

[0009] Preferably, the spring and the knob switch are fixed to the inner side of the lower cover via a fixing seat, and the fixing seat is fixed to the lower cover via self-tapping screws.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model is a coating thickness gauge. When using the coating thickness gauge, it is not possible to directly rotate the button battery cover to take out or insert the button battery from the button battery slot of the lower cover when replacing the button battery. When the button battery needs to be replaced, the knob switch is first pressed down and then rotated into the slot, and then the button battery cover is moved out of the card point to the open position by rotating, the button battery is removed, and a new button battery is replaced. At this time, the button battery cover is rotated to the closed position, and then the key switch is moved out of the slot, and the spring pushes the key switch back to the original point. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is an exploded view of the coating thickness gauge of the utility model;

[0013] Figure 2 It is a schematic diagram of part 1 of an embodiment of the utility model;

[0014] Figure 3 It is a schematic diagram of part 2 of an embodiment of the utility model;

[0015] Figure 4 It is a schematic diagram of part 3 of an embodiment of the utility model;

[0016] Figure 5 It is a schematic diagram of part 4 of an embodiment of the utility model;

[0017] Figure 6 It is a schematic diagram of part 5 of an embodiment of the utility model;

[0018] Figure 7 It is a schematic diagram of part 6 of an embodiment of the utility model;

[0019] Figure 8 It is a schematic diagram of part 7 of an embodiment of the utility model.

[0020] The reference numerals in the figure are as follows:

[0021] 1-upper cover assembly, 2-self-tapping screws, 3-fixed seat, 3-1 boss one, 3-2 guide groove one, 3-3 hole one, 3-4 end face one, 3-5 slot one, 3-6 slot two, 4-spring, 4-1 hole two, 5-knob switch, 5-1 shaft, 5-2 boss two, 6-lower cover, 6-1 hole three, 6-2 positioning groove, 6-3 button battery slot, 6-4 guide groove two, 6-5 end face two, 6-6 limiting rib, 6-7 card point, 7-button battery, 8-button battery cover, 8-1 buckle, 8-2 end face three, 8-3 slot three. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-8 , the utility model provides the following technical solutions: a coating thickness gauge, characterized in that it includes an upper cover assembly 1, a self-tapping screw 2, a fixing seat 3, a spring 4, a knob switch 5, a lower cover 6, a button battery 7, and a button battery cover 8;

[0024] The lower cover 6 is provided with a hole 3 6-1 penetrating the lower cover 6, and the knob switch 5 is embedded in the hole 3 6-1; one end of the knob switch 5 located in the lower cover 6 is provided with a shaft 5-1, and the spring 4 is sleeved on the outer side of the shaft 5-1;

[0025] The fixing seat 3 is provided with a boss 1 3-1, and a positioning groove 6-2 is provided on the outer periphery of the hole 3 6-1 in the lower cover 6. The fixing seat 3 is engaged with the positioning groove 6-2 through the boss 1 3-1 and covers one end of the knob switch 5 located in the lower cover 6; a boss 2 5-2 is provided on the outer wall of the knob switch 5, and a guide groove 1 3-2 is provided on the side wall of the fixing seat 3, and the boss 2 5-2 cooperates with the guide groove 1 3-2; the inner end of the fixing seat 3 is also provided with a hole 1 3-3 that cooperates with the shaft 5-1.

[0026] Further, the lower cover 6 is provided with a button battery slot 6-3, and the inner side wall of the button battery slot 6-3 outside the lower cover 6 is provided with a guide slot 2 6-4, a limiting rib 6-6 and a clamping point 6-7; the button battery cover 8 is provided with a buckle 8-1 on the outer periphery, and a clamping slot 8-3 is provided on the buckle 8-1, the button battery 7 is placed in the button battery slot 6-3 and contacts the lower cover 6, and the button battery cover 8 is engaged with the guide slot 2 6-4 through the buckle 8-1 and covers the end of the button battery 7 outside the lower cover 6;

[0027] The lower cover 6 has an end face 2 6-5 located at the upper end of the button battery slot 6-3 and flush with the button battery 7, and a horizontal end face 3 8-2 is opened on the inner side of the button battery cover 8. The button battery cover 8 is in contact with the end face 3 8-2 through the end face 2 6-5, and the buckle 8-1 is connected to the limiting rib 6-6, and the slot 8-3 cooperates with the clamping point 6-7 to be fixed to the lower cover 6; the upper cover assembly 1 and the lower cover 6 are spliced ​​to form a shell.

[0028] Furthermore, the spring 4 and the knob switch 5 are fixed to the inner side of the lower cover 6 via a fixing base 3 , and the fixing base 3 is fixed to the lower cover 6 via a self-tapping screw 2 .

[0029] In this embodiment, when installing the button battery, a tool is used to press the knob switch 5 downward. When the boss 5-2 of the knob switch 5 contacts the end surface 3-3 of the fixing seat 3, the knob switch is rotated to the left. When the boss of the knob switch 5 hits the side wall of the guide groove 3-2 of the fixing seat 3, the tool is released. The spring 4 acts upward to push the key switch 5 back to the original point. Since the boss 5-2 of the key switch 5 blocks the buckle 8-1 of the button battery cover 8, the button battery cover 8 is locked. At this time, the button battery 7 cannot be taken out by rotating the button battery cover 8. Figure 7 shown.

[0030] In this embodiment, when replacing the button battery of the instrument, use a tool to press the knob switch 5 downward, and when the boss 5-2 of the knob switch 5 is pressed down along the guide groove 3-2 of the fixing seat 3, it contacts the end surface 3-4 of the fixing seat 3. At this time, rotate the knob switch 3 to the right, and when the boss of the knob switch 3 hits the side wall 3-4 of the fixing seat 3, release the tool, and the boss 5-2 of the knob switch 5 falls into the slot 3-5 of the fixing seat 3. The action can be referred to Figure 4 , Figure 5 , Figure 6 Use a tool to rotate the button battery cover 8 to the right, and the button battery cover 8's slot 8-3 is disengaged from the lower cover 6's clip 6-7. When the button battery cover 8's clip 8-1 is rotated to the guide slot 6-4 of the lower cover 6, the arrow on the button battery cover 8 coincides with the mark on the lower cover 6. The button battery 7 and the button battery cover 8 are pushed out due to the elastic force of the button battery spring. After taking it out and replacing it with a new button battery 7, repeat the above steps in reverse order. Figure 8 shown.

[0031] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A coating thickness gauge, characterized in that: It comprises an upper cover assembly (1), a self-tapping screw (2), a fixing seat (3), a spring (4), a knob switch (5), a lower cover (6), a button battery (7), and a button battery cover (8); The lower cover (6) is provided with a third hole (6-1) penetrating the lower cover (6), and the knob switch (5) is embedded in the third hole (6-1); an end of the knob switch (5) located inside the lower cover (6) is provided with a shaft (5-1), and the spring (4) is sleeved on the outside of the shaft (5-1); The fixing seat (3) is provided with a boss 1 (3-1); a positioning groove (6-2) is provided on the outer periphery of the hole 3 (6-1) in the lower cover (6); the fixing seat (3) is engaged with the positioning groove (6-2) through the boss 1 (3-1) and covers one end of the knob switch (5) located in the lower cover (6); a boss 2 (5-2) is provided on the outer side wall of the knob switch (5); a guide groove 1 (3-2) is provided on the side wall of the fixing seat (3); the boss 2 (5-2) cooperates with the guide groove 1 (3-2); and a hole 1 (3-3) cooperating with the shaft (5-1) is also provided at the inner end of the fixing seat (3).

2. A coating thickness gauge according to claim 1, characterized in that: The lower cover (6) is provided with a button battery slot (6-3) outside, and the inner side wall of the button battery slot (6-3) outside the lower cover (6) is provided with a second guide slot (6-4), a limiting rib (6-6) and a clamping point (6-7); the outer periphery of the button battery cover (8) is provided with a buckle (8-1), and the buckle (8-1) is provided with a clamping slot (8-3); the button battery (7) is placed in the button battery slot (6-3) and contacts the lower cover (6); the button battery cover (8) is clamped with the second guide slot (6-4) through the buckle (8-1) and covers one end of the button battery (7) outside the lower cover (6); The lower cover (6) is provided with a second end face (6-5) on the outside of the button battery slot (6-3) and is flush with the button battery (7) and is provided with a horizontal third end face (8-2) on the inside of the button battery cover (8); the button battery cover (8) is in contact with the third end face (8-2) through the second end face (6-5), the buckle (8-1) is connected to the limiting rib (6-6), and the slot (8-3) cooperates with the clamping point (6-7) to be fixed to the lower cover (6); the upper cover assembly (1) and the lower cover (6) are spliced ​​to form a housing.

3. A coating thickness gauge according to claim 1, characterized in that: The spring (4) and the knob switch (5) are fixed to the inner side of the lower cover (6) via a fixing seat (3), and the fixing seat (3) is fixed to the lower cover (6) via a self-tapping screw (2).

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